[Massive intrathoracic "tumor" (diagnostic problems)].
D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D009369:Neoplasms; D013902:Radiography, Thoracic; D013909:Thorax / Q000002:abnormalities*
LUNG NEOPLASMS/radiography; THORAX/abnormalities