[Gastroenterology, Colonoscopy - Strand GI Associates and Endoscopy Center - Myrtle Beach, SC We at Strand GI Associates & Endoscopy Center in Myrtle Beach, SC offer a range of services including colonoscopy, upper endoscopy (EGD), flexible sigmoidoscopy, and hemorrhoid banding. Gastroenterologist doctors Vukov, Cornnell, Pearson, Raynor & Edmison treat gastrointestinal disease, disorders and problems of the stomach, colon and intestinal tract.]