Ponnandai Somasundar, MD Hear my name
Associate Professor
Boston University Chobanian & Avedisian School of Medicine
Surgery
Surgical Oncology

MBBS, University of Madras
MPH, University of Massachusetts Amherst
MS, Tamil Nadu Dr. M.G.R. Medical University



Ponnandai Somasundar, MD, is Associate Chief of Surgical Oncology and Director of Geriatric Oncology at Roger Williams. He received his Fellowship training at Roger Williams Medical Center/Chobanian and Avedisian School of Medicine. After graduating from Madras Medical College, Dr. Somasundar completed residencies at Maimonides Medical Center in Brooklyn, New York,?and West Virginia University. Dr. Somasundar’s clinical expertise is in the areas of liver surgery, pancreas surgery, melanoma, thyroid cancer, colorectal surgery, HIPEC, and abdominal wall reconstruction.

Roger Williams Medical Center


Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.

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  1. Salehi O, Somasundar P, Espat NJ, Calvino AS, Kwon S. The impact of institutional volume of minimally invasive pancreatic resection on short- and long-term outcomes for pancreatic ductal adenocarcinoma: differences between laparoscopic and robotic approaches. J Gastrointest Surg. 2025 Nov; 29(11):102230.View Related Profiles. PMID: 40972974
     
  2. Wilson J, Talukder MH, Somasundar P, Ahmad A. Emerging Technologies for Pancreas Resection. R I Med J (2013). 2025 Jul 01; 108(7):24-28. PMID: 40561239
     
  3. Crocker AB, Talukder MH, Ali MS, Calvino AS, Somasundar P, Espat NJ. Regional Hepatic Therapies for Colorectal Hepatic Metastases. R I Med J (2013). 2025 Jul 01; 108(7):9-13.View Related Profiles. PMID: 40561236
     
  4. Talukder MH, Wilson J, Crocker AB, Ahmad A, Somasundar P. Minimally Invasive Liver Surgery for Primary and Secondary Liver Malignancies. R I Med J (2013). 2025 Jul 01; 108(7):20-23. PMID: 40561238
     
  5. Patel H, Ali MS, Ahn JY, Espat NJ, Calvino AS, Somasundar P, Kwon S. Utilization of cancer-directed surgical therapy in Medicaid patients with cancer: comparison between low/intermediate/high-risk surgeries. Cancer Causes Control. 2025 May 22.View Related Profiles. PMID: 40402388
     
  6. Salehi O, Somasundar P, Espat NJ, Calvino AS, Ali M, Lightfoot S, Kwon S. Endoscopic resection versus gastrectomy for clinical T1a gastric adenocarcinoma: Predictors of nodal upstaging. Surgery. 2025 Oct; 186:109377.View Related Profiles. PMID: 40340160
     
  7. Jimenez M, Salehi O, Somasundar P, Dandeneau J, Chebl J, Vognar L, Espat NJ, Calvino AS, Kwon S. Impact of American College of Surgeons Geriatric Surgery Verification Program in Patients Undergoing Major Abdominal Oncologic Operation at a Cancer Center. J Am Coll Surg. 2025 May 01; 240(5):749-757.View Related Profiles. PMID: 39655814
     
  8. Stillman M, Somasundar P, Espat NJ, Calvino AS, Kwon S. ASO Visual Abstract: Negative Impact of Systemic Therapy on Survival in Patients Undergoing Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy for Low-Grade Metastatic Appendiceal Adenocarcinoma. Ann Surg Oncol. 2025 Apr; 32(4):2949-2950.View Related Profiles. PMID: 39601937
     
  9. Kwon S, Liberman M, Somasundar P, Calvino AS, Ahmad A. Frailty in robotic pancreaticoduodenectomy: quantifying the impact on perioperative outcomes. HPB (Oxford). 2025 Jul; 27(7):890-898.View Related Profiles. PMID: 40102142
     
  10. Sousa A, Al Masad Q, Pena P, Espat NJ, Calvino AS, Somasundar P, Abdelfattah T, Kwon S. Impact of immunotherapy on the care patterns and outcomes of patients with advanced hepatocellular carcinoma. Clin Res Hepatol Gastroenterol. 2025 Mar; 49(3):102542.View Related Profiles. PMID: 39870347
     
Showing 10 of 75 results. Show More

This graph shows the total number of publications by year, by first, middle/unknown, or last author.

Bar chart showing 75 publications over 24 distinct years, with a maximum of 13 publications in 2025

YearPublications
20001
20012
20022
20032
20044
20052
20062
20081
20096
20101
20113
20126
20131
20142
20155
20163
20174
20182
20191
20203
20222
20233
20244
202513

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