MBBS
Madras Medical College, Chennai, India, 1993-1999

MS
Grant Medical College, Mumbai, India, 1999-2002

MRCS
Royal College of Surgeons, Edinburgh, 2007

• Consultant Surgical Oncologist, Apollo Hospitals, Chennai
• Director of Surgical Oncology, MIOT Hospitals, Chennai, India

• Senior Registrar in surgical oncology, Tata Memorial Hospital, Mumbai, India
• Master of Chirurgie [M.Ch] residency in Surgical Oncology, Tata Memorial Hospital, Mumbai, India
• Senior Research Fellow in Minimally Invasive Surgery, Thoracic Surgery, Tata Memorial Hospital, Mumbai, India
• Advanced Training in Minimally Invasive Esophageal surgery. Osaka city university school of medicine
• Advanced Training in Pancreatic Cancer Surgery, Kyoto University school of medicine, Japan
• Visiting Fellow in Biliary Cancer Surgery, Nagoya University school of medicine
• Visiting fellow in Gastrointestinal and Hepato-Biliary Surgery, University of Tokyo school of medicine
• UICC fellow in Pancreatic Surgery, University of Heidelberg, Germany
• Fellowship in Minimally invasive and Robotic GI Surgery, University of Illinois at Chicago (UIC) & Advocate Lutheran General Hospital, Chicago, IL, USA

• Pai A, Gupta P, Raina S, Nadkarni Ms, Parmarv, Badwe Ra, Interpectoral Approach To Dissection Of The Axillary Apex: an Elegant And Effective Approach J Surg Oncol.2006 Sep1;94(3):252-4 ,
• Chaukar Da, Pai A, D'cruz Ak.a Technique To Identify And Preserve The Apinal Accessory Nerve During Neck Dissection.j Laryngol Otol.2006 Jun:120(6):494-6 .
• D'cruz Ak, Pai A, Extent Of Surgery For Differentiated Thyroid Carcinoma.review Article In The Iaso(Indian Association Of Surgical Oncology )newsletter. 2006: 19(2) :13-19 .

• Pai A, Gupta P, Raina S, Nadkarni MS, Parmar V, Badwe RA. Interpectoral approach to dissection of the axillary apex: an elegant and effective approach. J Surg Oncol. 2006 Sep 1; 94(3): 252-4. 

• Chaukar DA, Pai A, D'Cruz AK. A technique to identify and preserve the spinal accessory nerve during neck dissection. J Laryngol Otol. 2006 Jun; 120(6): 494-6. 

• D’Cruz AK, Pai A. Extent of surgery for differentiated thyroid carcinoma. Review article in the IASO newsletter. 2006; 19(2): 13-19
  
• Barreto G, Pai A, Shukla PJ. Multivisceral resections for colon carcinoma. Journal of Colorectal diseases. 2006; 21: 23-24
  
• Pai A et al: Penile metastasis from esophageal squamous carcinoma after curative resection. Ann Thorac Cardiovasc Surg. 2008 Aug; 14 (4): 238-41
•  Mistry RC, Pai A. Systemic Mediastinal lymph node dissection in Non-small cell lung cancer. IASO newsletter. 2008.
•  Pai A, Hurtuk MG, Park JJ, Marecik SJ, Prasad LM. “A randomized study on 1-week versus 4-week prophylaxis for venous thromboembolism after laparoscopic surgery for colorectal cancer. Annals of Surgery 2016 Apr;263(4):e62. doi: 10.1097/SLA.0000000000000901 PMID: 25211266 

• Pai A, Kaminski JP, Park JJ, Marecik SJ, Prasad LM. Endoscopic stenting of J pouch Crohn's stricture after proctocolectomy. CRSLS e2014.00052. DOI: 10.4293/CRSLS.2014.00052.  

• Pai A, Park JJ, Marecik SJ, Prasad LM. Midgut volvulus presenting with acute chylous peritonitis" - Pai A, Park JJ, Marecik SJ, Prasad LM.  Clinical Case Rep. 2014 Aug;2(4):159-61. doi: 10.1002/ccr3.88PMID: 25356277 

• Pai A, Coralic J, Park JJ, Marecik SJ, Prasad LM. Spontaneous Ureterocolic fistula secondary to diverticulitis: Report of a case and review of literature.  International J of Colorectal Dis 2014 Mar;29(3): 417-418. doi: 10.1007/s00384-013-1813-7. PMID: 24322738 

• Kochar K, Pai A, Marecik S, Park J, Prasad L. An unusual small bowel mass: India ink tattooing mimicking malignancy. CRSLS e2014.00090.  

• Kamal T, Pai A, Velchuru VR, Zawadzki M, Park JJ, Marecik S, Abcarian H, Prasad LM. Should anastomotic assessment with flexible sigmoidoscopy be routine following laparoscopic restorative left colorectal resection? Colorectal diseases. Colorectal Dis. 2015 Feb; 17(2): 160-4. doi: 10.1111/codi.12809. PMID: 25359528 

• Kamiński JP, Pai A, Ailabouni L, Park JJ, Marecik SJ, Prasad LM, Abcarian H. Role of epidural and patient-controlled analgesia in site-specific laparoscopic colorectal surgery. JSLS. 2014 Oct-Dec; 18(4). pii: e2014.00207 doi: 10.4293/JSLS.2014.00207. PMID: 25419110  

• Pai A, Melich G, Marecik SJ, Park JJ, Prasad LM. Current status of robotic surgery for rectal cancer: A bird's eye view. J Minim Access Surg. 2015 Jan-Mar; 11(1): 29-34. doi: 10.4103/0972-9941.147682. PMID: 25598596. 

• Calata JF, Pai A, Marecik SJ, Prasad LM, Park JJ:  Perineal Proctectomy with Bio-Thiersch Procedure for Complete Rectal Prolapse with Fecal Incontinence. Video vignette in Dis Colon and rectum 2015; 58(4): e45. doi: 10.1097/DCR. 0000000000000338. PMID: 25751805 

• Pai A, Marecik SJ, Park JJ, Melich G, Sulo S, Prasad LM. Oncologic and Clinicopathologic Outcomes of Robot-Assisted Total Mesorectal Excision for Rectal Cancer. Dis Colon and rectum 2015 Jul; 58(7): 659-667. doi: 10.1097/DCR.0000000000000385.PMID: 26200680 

• Melich G, Pai A, Kwak M, Bibi S, Marecik S, Park J, Prasad LM. Transverse incision transvaginal rectocele repair combined with levatorplasty and biological graft insertion: technical details and case series outcomes.Tech Coloproctol. 2016 Jan; 20(1): 51-7. doi: 10.1007/s10151-015-1399-x. PMID: 26577572 

• Pai A, Coralic J, Park JJ, Marecik SJ, Prasad LM. A Novel Use Of Biologic Mesh For Successful Primary Repair of Traumatic Cloaca. World Journal of Colorectal Surgery. 2016; 6 (1): Article 6. 

• Alsabhan F, Eftaiha S, Pai A, Park JJ, Prasad LM, Marecik SJ. Combining All Forces: Abdominoperineal resection in an obese male.  Journal of Visualized Surgery 2016; 2:83. 

• Alsabhan F, Eftaiha S, Pai A, Prasad LM, Park JJ, Marecik SJ . Video demonstrates our technique of combining multiple surgical modalities. Asvide 2016; 3: 197. doi:10.21037/asvide.2016.197 

• Eftaiha SM, Kochar K, Pai A, Park JJ, Prasad LM, Marecik SJ. Robot Assisted Approach to a Retrorectal Lesion in an Obese Female. J Vis Surg 2016; 2:59 

•  Pai A, Sugrue J, Bibi S, Melich G, Marecik S, Prasad LM, Park J. Safety and efficacy of an electrothermal bipolar vessel sealing device in sealing and division of the inferior mesenteric vessels in minimally invasive colorectal surgery. Tech Coloproctol. 2016 Jul; 20(7): 505-6. doi: 10.1007/s10151-016-1488-5  PMID: 27170282 

• Eftaiha SM, Melich G, Pai A, Marecik SJ, Prasad LM, Park JJ. Sacral nerve stimulation in the treatment of bowel dysfunction from imperforate anus: A case report. Int J Surg Case Rep. 2016 May 20; 24:115-118. doi: 10.1016/j.ijscr.2016.05.018. PMID: 27236579 

• Eftaiha SM, Pai A, Sulo S, Park JJ, Prasad LM, Marecik SJ. Robot-Assisted Abdominoperineal Resection: Clinical, Pathologic, and Oncologic Outcomes. Dis Colon Rectum. 2016 Jul; 59(7): 607-14. Doi: 10.1097/DCR.0000000000000610. PMID: 27270512. 

• Marecik SJ, Pai A, Sheikh T, Park JJ, Prasad LM. Transanal Total Mesorectal Excision: Save the Nerves and Urethra. Dis Colon Rectum. 2016 Jul; 59(7): e410-4. doi: 10.1097/DCR.0000000000000626. PMID: 27270528 

• Melich G, Pai A, Balachandran B, Marecik SJ, Prasad LM, Park JJ. Endoscopic control of enterocutaneous fistula by dual intussuscepting stent technique. Surgical Endoscopy. 2016 Sep; 30:4150-4151. doi: 10.1007/s00464-015-4636-5.PMID: 27501730 

• Pai A, Raghunath KJ. Persistent Asymptomatic Anastomotic Leakage After Laparoscopic Sphincter-Saving Surgery for Rectal Cancer: Can Diverting Stoma Be Reversed Safely at 6 Months? Dis Colon Rectum. 2016 Oct; 59(10): e438. doi: 10.1097/DCR.0000000000000696. PMID: 27602938 

• Pai A, Paul S, Ahamed A, et al. Risk Factors for Postdischarge Venous Thromboembolism After Colorectal Surgery. Dis Colon Rectum. 2016 Nov; 59(11): e447. PMID: 27749489 

• Pai A, Eftaiha SM, Melich G, et al. Robotic Site Adjusted Levator Transection for Carcinoma of the Rectum: A Modification of the Existing Cylindrical Abdominoperineal Resection for Eccentrically Located Tumors. World J Surg. 2017 Feb;41(2):590-595. doi: 10.1007/s00268-016-3735-3PMID: 27778072 

• Pai A., Melich G., Marecik SJ, Park JJ, Prasad LM. Robotic Surgery for Colon and Rectal Cancer: Current Status, Recent Advances, and Future Directions. Curr Colorectal Cancer Rep (2017). doi:10.1007/s11888-017-0348-7 

Academic achievements and honors 

Distinctions in the Final University examinations in Anatomy, Physiology, Microbiology, Otorhinolaryngology, Ophthalmology, and Surgery. 

College Prizes (M.B; B.S.)

• Best Anatomy dissector. 
• Anatomy gold medal 
• Rait Dunhill prize for Physiology. 
• Certificate of honor in Pharmacology. 
• G.V. James prize for principles and practice of surgery. 
• Masilamani memorial prize for highest marks in all University examinations. 
• Bradfield prize for best student in Anatomy and Surgery. 
• Nanjunda Rao gold medal for surgery 
• Prof. Thiruvengadam gold medal for highest marks in Physiology and Medicine. 
• Lions Club prize for highest marks in all MBBS University examinations. 
• Highest marks in Obstetrics and Gynecology, Final University examination. 
• Dugar Welfare Foundation prize, for best student in Medicine, Surgery & Obstetrics and Gynecology. 
• Best student in Clinical Surgery. 
• Gold medal for First place in Final examination in all subjects. 
• Johnstone Gold Medal for Best Outgoing Student of Madras Medical College. 

University Prizes (M.B; B.S)

• Gold medal for first place in Final MB University examination.
• Gold medal for best student, Medicine & Surgery. 
• Madras University prize for best candidate in Surgery. 
• Gold medal for first place in Clinical Subjects. 

Post-Graduate awards

• Gold medal for surgery. 

• Member and Fellow American College of Surgeons (2014) 
• Association of surgeons of India; 2012 to present
  International Hepato Pancreatico Biliary Association [1HPBA], 2010 to present
• Royal college of Surgeons of Edinburgh, 2007 to present 

• Median arcuate ligament syndrome: Identification and management during    Pancreaticoduodenectomy. Pai A. Poster Presentation. IHPBA 2012, Paris, France 

• Does the robot level the playing field in the obese patient with rectal cancer? Pai A, Hurtuk M, Marecik SJ, Park JJ, Prasad LM. Poster Presentation. American Society of Colon and Rectal Surgeons 2014 Annual Meeting. May 17 - 21, 2014. Hollywood, FL, USA. 

• Short-term and long-term oncologic outcomes of robotic cylindrical abdomino perineal resection for rectal cancer”. Pai A, Hurtuk MG, Marecik SJ, Park JJ, Prasad LM. Poster Presentation. American Society of Colon and Rectal Surgeons 2014 Annual Meeting. May 17 - 21, 2014. Hollywood, FL, USA.  

• Long-term oncologic outcomes of robotic total mesorectal excision for rectal cancer.” Pai A, Hurtuk MG, Marecik SJ, Park JJ, Prasad LM. Poster Presentation. American Society of Colon and Rectal Surgeons 2014 Annual Meeting. May 17 - 21, 2014. Hollywood, FL, USA. 

• Safety and efficacy of an electrothermal bipolar vessel-sealing device in sealing and division of the inferior mesenteric vessels in minimal invasive colorectal surgery. Pai A, MelichG, Marecik SJ, Park JJ, PrasadLM. Poster presentation, SAGES Annual Meeting. April 15-18, 2015, Nashville, TN, USA. 

• Rectal dissection simulator for daVinci surgery - construct, face, and content validation.” Melich G, Shoela R, Pai A, Kochar K, Patel S, Park JJ, Prasad LM, Marecik SJ. E-poster presentation. American Society of Colon and Rectal Surgeons Annual Scientific Meeting. May 30 - June 3, 2015, Boston, MA, USA. 

• Clinicopathologic and oncologic outcomes of robot assisted cylindrical abdomino perineal resection for rectal cancer. Pai A, Chelvan KK, Park JJ, Prasad LM, Marecik SJ. E-poster presentation. Indian Association of Surgical Gastroenterology Annual meeting. October 1st- 4th, 2015, Pune, India 

• Robotic Site Adjusted Levator Transection of the Rectum: A modification of the existing cylindrical Abdominoperineal resection for eccentric tumors. Pai A, Raghunath KJ, Marecik SJ, Park JJ, Prasad LM. E-poster presentation. Indian Association of Surgical Gastroenterology Annual meeting. October 1st- 4th, 2015, Pune, India