Colorectal Surgery

Sonia Ramamoorthy, MD

UC San Diego colorectal surgeon Sonia Ramamoorthy, MD

The colon and rectal surgery program at UC San Diego Health is a long-standing leader in expert, innovative care of the colon, rectum and anus. Our surgeons work in multidisciplinary teams to detect and address colorectal cancers, inflammatory bowel diseases, diverticular disease and pelvic floor disorders. Year after year, the San Diego County Medical Society and U.S. News & World Report rate our physicians as Top Doctors. 

Minimally Invasive Colorectal Surgery

The colorectal surgeons at UC San Diego Health address the full spectrum of colorectal conditions including:

UC San Diego Health colorectal surgeons are experts in advanced laparoscopic surgical techniques. These minimally invasive procedures mean smaller incisions, less scarring and faster healing. We incorporate the use of single incision techniques, hand assisted surgery, robotics and transanal approaches where appropriate to provide the best outcomes possible. Read about recent breakthroughs in minimally invasive colorectal surgery

Robotic Colorectal Surgery

We are the only team in San Diego performing robot-assisted minimally invasive colorectal surgery, and one of the first in California. Colorectal surgeons here are recognized internationally as leaders in colorectal robotic surgery. Our work to utilize new technology and develop procedures to treat colorectal diseases is unsurpassed in Southern California.


A recent breakthrough in colorectal care available at UC San Diego Health is transanal minimally invasive surgery or TAMIS. TAMIS procedures combine single incision laparoscopic methods with transanal endoscopic microsurgery. We have been successfully treating many colorectal diseases using the TAMIS approach, and training surgeons throughout the nation on this advanced treatment method.

We address the full spectrum of colorectal disease including the complex disorders referred to us from around the world. Read more about these diseases and conditions.

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