Gallbladder removal St. Peters - Benrus Surgical Associates We specialize in general, breast and colorectal surgery, including appendicitis, biopsy, colectomy, colon cancer & colon disease, hernia repair, gallbladder disease removal, anal fissure anal fistula, GERD (gastroesophageal reflux), skin cancer surgeries, including melanoma, and breast cancer surgeries including fibrocystic disease, sentinel lymph node, and biopsy. Call for an appointment today.