Colonoscopy is a procedure that uses an endoscope to examine the inside of the large intestine. Learn more about this procedure.
For patients having a colonoscopy, Yale Medicine's anesthesiologists offer both conscious sedation and general anesthesia, tailored to your needs.
Colorectal cancer is a malignant (cancerous) growth that forms in the colon or rectum. Learn about symptoms and treatment.
A colorectal polyp is an abnormal but often benign growth that forms on the inner (mucosal) wall of the colon or rectum. Learn about symptoms and treatment.
Cancer screening is any method of looking for cancer before it causes symptoms and may be easier to treat.
Doctors only diagnose cancer after ruling out other possible causes for symptoms and performing tests to check and double-check the diagnosis. Learn more about these tests.
Diagnosing leukemia in its earliest stages can improve a patient’s prognosis. Learn how this condition is diagnosed.
Blood in the stool can be an alarming symptom that signals underlying conditions from hemorrhoids to colon cancer.
Blood tests are used to diagnose bleeding disorders, which make an individual more likely to bleed spontaneously and after surgery or injury.
A hemoglobin A1C test is a blood test that measures a person's average blood glucose level over the previous three months.