The apical cap.
D000328:Adult; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging* / Q000473:pathology; D008171:Lung Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D008875:Middle Aged; D010178:Pancoast Syndrome / Q000000981:diagnostic imaging / Q000473:pathology; D010994:Pleura / Q000000981:diagnostic imaging / Q000473:pathology; D010995:Pleural Diseases / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography