title: [Contribution to the early diagnosis of the central pulmonary cancer: the "pre-atelectasic syndrome"].
mesh_terms: D042241:Early Diagnosis; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D009369:Neoplasms; D013902:Radiography, Thoracic
keywords: LUNG NEOPLASMS/radiography