<prompt> True about pelvic abscessUncommon cause of intraperitoneal abscessIdentified by CT if there is a full bladderAssociated with pyothoraxMay spontaneously drain via rectum  <response>: Ans. d May spontaneously drain via rectumRef: Sabiston I9th edition Page 1312 Pelvic abscess is the mc site of abscess formation in sitting position. Rutherford Morrison pouch is the mc site of abscess formation in lying position. Pelvic abscess is drained via rectum. Pelvic abscess is associated with diverticulitis. Pelvic abscess is identified after emptying the bladder in USG and CECT abdomen much clearly. 