title: Pseudopneumoperitoneum: linear atelectasis simulating pneumoperitoneum.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D011027:Pneumoperitoneum / Q000175:diagnosis* / Q000209:etiology; D001261:Pulmonary Atelectasis / Q000175:diagnosis*