University Surgeons Associates offers a broad range of general surgical services in Knoxville, Tennessee by experts in the field. Some of these include: laparoscopic gastric bypass and gastric banding for morbid obesity, laparoscopic Heller myotomy for achalasia, gastric pacemaker for gastroparesis, minimally invasive radioguided parathyroidectomy and laparoscopic adrenalectomy for adrenal tumors.