title: Asymptomatic disappearance of fluid from post-pneumonectomy space.
mesh_terms: D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D008175:Lung Neoplasms / Q000601:surgery; D008297:Male; D008875:Middle Aged; D011013:Pneumonectomy; D011184:Postoperative Period; D011859:Radiography; D013997:Time Factors