Perineal hernia after infralevator posterior pelvic exenteration due to adenocarcinoma of the lower rectum with genital invasion: a rectus abdominis myocutaneous flap was used to repair the defect and reconstruct the vagina. The donor abdominal fascia area was reinforced with bio-absorbable mesh (BioA-Gore). On CT, ileal loops were observed with elongated mesentery in the pelvis and perineum, a...