Doctors may perform endoscopies to diagnose esophageal cancer. They may also order laboratory tests and other imaging tests, such as MRI and CT scans, to confirm the diagnosis and determine whether ...

A simple breath test for detecting H pylori infection is as effective and safe as endoscopy and is less uncomfortable and distressing for the patient, conclude researchers in this week’s BMJ. The ...

Created by Guardant Health, the blood test, known as Shield, was able to detect 83% of colorectal cancers in studies but only 13% of dangerous polyps. Colonoscopies find approximately 95% of these ...