Yankton Surgical Associates is located in Yankton, SD, with outreach clinics in Parkston SD, Armour SD and Lynch NE. We offer surgical and non-surgical treatment of hernias, gallbladder disease, moles, skin tumors, spider veins, digestive disorders, colon & rectal disease cancer, thyroid disorders, breast disease and many more. Dr Kynan Trail is certified with American Board of Surgery, with special interest in varicose vein surgery, upper & lower endoscopy, and laparoscopic surgery. Call us today to schedule your appointment.