. . . "It is similar to a colonoscopy, but the exam usually views only to the sigmoid, the left side of the colon.Endoscopic UltrasoundThis is a relatively new technique that is useful in diagnosing and staging cancers and other disorders of the esophagus, stomach, pancreas, rectum and disorders of the bile duct.For more information, or to schedule your appointment, please call 216.444.7000 or toll-free" .