MBBS DNB General Surgery DrNB Surgical Gastroenterology (NIMS) 10+ Years GI Oncology Laparoscopic GI Surgery Colorectal Surgery Advanced Endoscopy NIMS DrNB Super-specialty Training Dr. J.K. Kumar holds DrNB Surgical Gastroenterology from Nizam's Institute of Medical Sciences (NIMS), Hyderabad - Telangana's premier state tertiary-care teaching hospital. NIMS super-specialty training exposes surgeons to high-volume complex GI cancer …