Usama Waqar

Stadium Road
Karachi, SD 74800, Pakistan

Last Updated: 09/26/2026

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Found 43 publications

Impact of Adjuvant Chemotherapy on Overall Survival in Early-Onset Stage II-III Mucinous Adenocarcinoma of The Colon: A Propensity-Based Analysis.

Impact of Adjuvant Chemotherapy on Overall Survival in Early-Onset Stage II-III Mucinous Adenocarcinoma of The Colon: A Propensity-Based Analysis.

Journal: Journal of surgical oncology

Published: December 01, 2025

Association between objective performance indicators and patient outcomes in robotic surgery: a systematic review.

Association between objective performance indicators and patient outcomes in robotic surgery: a systematic review.

Journal: Journal of robotic surgery

Published: October 17, 2025

Outcomes Following Robotic Surgery for Complicated and Uncomplicated Diverticulitis.

Outcomes Following Robotic Surgery for Complicated and Uncomplicated Diverticulitis.

Journal: The American surgeon

Published: September 06, 2025

Epidemiology and risk factors of surgical site infections in elective surgeries in Pakistan (2022-2023): a multicentre, prospective cohort study from PakSurg 1.

Epidemiology and risk factors of surgical site infections in elective surgeries in Pakistan (2022-2023): a multicentre, prospective cohort study from PakSurg 1.

Journal: The Lancet regional health. Southeast Asia

Published: July 29, 2025

Prognostic impact of tumor microenvironment characteristics in intrahepatic cholangiocarcinoma: A systematic review and meta-analysis.

Prognostic impact of tumor microenvironment characteristics in intrahepatic cholangiocarcinoma: A systematic review and meta-analysis.

Journal: Surgical oncology

Published: July 13, 2025

Ratio of Economy of Motion to Assess Gender Differences in Trainee Autonomy During Robotic Surgery-A Feasibility Study.

Ratio of Economy of Motion to Assess Gender Differences in Trainee Autonomy During Robotic Surgery-A Feasibility Study.

Journal: The Journal of surgical research

Published: July 02, 2025

Secondary peritoneal and retroperitoneal malignancies in the elderly: trends and disparities (1999-2022) with forecasts to 2035 from a national study.

Secondary peritoneal and retroperitoneal malignancies in the elderly: trends and disparities (1999-2022) with forecasts to 2035 from a national study.

Journal: Cancer causes & control : CCC

Published: June 25, 2025

Comparison of Outcomes Following Surgery for Diverticulitis Among Immunocompetent and Immunosuppressed Patients.

Comparison of Outcomes Following Surgery for Diverticulitis Among Immunocompetent and Immunosuppressed Patients.

Journal: The American surgeon

Published: May 23, 2025

State-Level Tax Policy, Cancer Screening, and Mortality Rates in the US.

State-Level Tax Policy, Cancer Screening, and Mortality Rates in the US.

Journal: JAMA network open

Published: May 02, 2025

Objective Performance Indicators Differ Between Expert Versus Novice Surgeons During Robotic Proctectomy.

Objective Performance Indicators Differ Between Expert Versus Novice Surgeons During Robotic Proctectomy.

Journal: The Journal of surgical research

Published: April 10, 2025

Outcomes of robotic, laparoscopic, and open surgery across body mass index subgroups for colon and rectal cancer.

Outcomes of robotic, laparoscopic, and open surgery across body mass index subgroups for colon and rectal cancer.

Journal: Surgical endoscopy

Published: March 28, 2025

Use of textbook outcome as a quality metric in hepatopancreaticobiliary surgery: a systematic review and meta-analysis.

Use of textbook outcome as a quality metric in hepatopancreaticobiliary surgery: a systematic review and meta-analysis.

Journal: Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract

Published: January 02, 2025

Showing 1-12 of 43

Last Updated: 09/26/2026