Dr. Rishi Chadha, MD is a board‑certified gastroenterologist who specializes in preventive gastroenterology, colorectal cancer screening, and minimally invasive endoscopic procedures. He completed his fellowship at Sunrise Health GME in Las Vegas and previously trained in internal medicine at St. Vincent’s Medical Center in Connecticut.
Rectal cancer is a tumor that starts in the rectum-the last 6 inches of your large intestine. It can change how you use the bathroom, cause bleeding, and lead to pain or discomfort. Finding it early makes treatment more effective at any stage.
Dr. Chadha begins by reviewing your symptoms (bleeding, bowel-habit changes, pain), personal and family cancer history, and performs a gentle rectal exam.
A colonoscopy lets Dr. Chadha visualize the rectal lining directly. Any suspicious lesions are biopsied to confirm malignancy.
Measurement of tumor markers such as CEA (carcinoembryonic antigen) helps assess disease burden and guide treatment planning.
For accurate record-keeping and billing, rectal cancer is documented under ICD-10 code C20.
Dr. Rishi Chadha, MD is a board‑certified gastroenterologist who specializes in preventive gastroenterology, colorectal cancer screening, and minimally invasive endoscopic procedures. He completed his fellowship at Sunrise Health GME in Las Vegas and previously trained in internal medicine at St. Vincent’s Medical Center in Connecticut.
Bleeding, ongoing bathroom changes, or belly pain.
It means the cancer has spread. Care focuses on control and comfort.
It varies. With today's treatments, many patients live longer and better.
A colonoscopy is the main test. A biopsy confirms it.
It's the code for rectal cancer used in your medical file.
Yes. Eating fiber and staying active can lower your risk.
Most patients go home in 1-3 days. Full recovery takes 2-4 weeks.
Yes. You may get chemotherapy, radiation, or targeted drugs.
If you notice bleeding or long-term bowel changes, book a visit.
Yes. If a close relative had colon cancer, start screening earlier.
