[Differential diagnosis of small lung cancers].
D003581:Cytodiagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008169:Lung Abscess / Q000000981:diagnostic imaging; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D001261:Pulmonary Atelectasis / Q000000981:diagnostic imaging; D011654:Pulmonary Edema / Q000000981:diagnostic imaging; D011859:Radiography