The service center was informed that during a diagnostic esophagogastroduodenoscopy (egd) procedure, while obtaining a biopsy the patient experienced a lot of bleeding and developed a hematoma.The bleeding was treated with two clips.It is unknown if the intended procedure was completed.(refer to report 1 of 2).Additionally, the user facility reported that this phenomenon has occurred with multiple physicians.This is report 2 of 2.