Diseases of colon and rectum include common issues like Hemorrhoids (Piles) and Fistula in Ano. Inflammatory bowel disease (Ulcerative colitis and Crohn's Disease) also constitutes an important part of Dr Prabal Roy's practice. Cancer of Colon and rectum is the other end of the disease spectrum of this region. All these disease conditions often require surgical management. Minimally invasive surgery has significantly improved the recovery time and quality of life of patients suffering from these conditions.