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Renal/ureter - stones
Psoas - abscess
Reproductive - Mittelschmertz, tubo-ovarian abscess,
salpingitis/PID, ectopic pregnancy, endometriosis
Bowel - obstruction, diverticulitis, strangulated
hernia, perforation, mesenteric adenitis, Ca
appendicitis, Meckel's diverticulitis, Crohn's