Jazz forward Matt Harpring learned late Friday afternoon that he must undergo additional testing as doctors try to determine the cause of gastrointestinal issues he has been battling.

"I heard it right before I came here," Harpring said in a hallway at Amway Arena in Orlando, where the Jazz play the Magic tonight. "I've got ulcers in the intestines, but there's one part that I think they want to biopsy."

A biopsy involves removal of tissue from the body so it can be microscopically examined by a pathologist, who specializes in diagnosing diseases including ? but not limited to ? cancer.

Harpring said he will have to soon undergo a colonoscopy, which is a procedure designed to evaluate the gastrointestinal tract.

He was uncertain when the test would be performed.