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Ileus occurs when there is a problem with the movement of food and waste through the digestive tract. This is not caused by a physical blockage.

A peptic ulcer is a sore in the lining of your stomach or in the first part of your small intestine. It can cause belly pain and other symptoms. In some cases, a peptic ulcer may get worse and lead to serious problems. But with treatment, most people fully recover.

A small bowel obstruction is when part or all of your small intestine (bowel) is blocked. Then digestive contents can't move through the bowel correctly and out of your body. Read on for information about symptoms and treatment.

A large bowel obstruction occurs when part or all of your large intestine is blocked. As a result, waste can't move through your bowel correctly and out of the body. You must be treated right away to manage the blockage.

An esophageal dilation is a procedure used to widen a narrowed section of your esophagus. This is the tube that leads from your throat to your stomach.

You had a procedure called fine-needle thyroid biopsy. This biopsy was done to assess a nodule or cyst in your thyroid gland or enlargement of the thyroid. During the biopsy, a very thin needle is inserted through the skin into the gland. The needle is used to remove a small amount of tissue from the gland. (This may be done more than one time to be sure to get cells from all parts of the nodule.) Or the needle is used to drain fluid from a cyst. The tissue or fluid is then studied in a lab.

Symptoms of concussion can last for a few weeks or longer. Here's what you can do to help heal.

Transoral resection is surgery to help control or cure oral cancer. During surgery, an oral tumor is removed through the mouth. This sheet explains transoral resection and what to expect.

Pituitary gland surgery is done to remove a tumor in the pituitary gland. In most cases these tumors are not cancer (benign). Here's what you can expect before, during, and after the surgery.