Complex sentence: Surgical approaches in rectal prolapse can be either perineal or abdominal and they may involve fixation of the bowel (rectopexy), or resection (a portion removed), or both.
Split into simpler sentences: Surgical approaches in rectal prolapse can be either perineal or abdominal. Procedures for rectal prolapse may involve fixation of the bowel (rectopexy), or resection (a portion removed), or both.