title: Ultrasonic diagnosis of postoperative intra-abdominal abscess.
mesh_terms: D000005:Abdomen; D000038:Abscess / Q000175:diagnosis* / Q000209:etiology; D005188:False Negative Reactions; D006801:Humans; D011183:Postoperative Complications; D014465:Ultrasonics / Q000379:methods; D014463:Ultrasonography