title: Recurrent pneumothorax.
mesh_terms: D000328:Adult; D000367:Age Factors; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008598:Menstruation; D011030:Pneumothorax / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011859:Radiography; D012008:Recurrence