title: ROENTGENOGRAM OF THE MONTH.
mesh_terms: D003937:Diagnosis, Differential; D040181:Genetic Diseases, X-Linked; D006801:Humans; D007943:Leukemia, Hairy Cell; D008171:Lung Diseases; D008206:Lymphatic Diseases; D011030:Pneumothorax; D013902:Radiography, Thoracic; D012507:Sarcoidosis; D016511:Severe Combined Immunodeficiency
keywords: DIAGNOSIS, DIFFERENTIAL; LUNG DISEASES; PNEUMOTHORAX; RETICULOENDOTHELIOSIS; SARCOIDOSIS; THORACIC RADIOGRAPHY