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Figure 7a.  Lung agenesis. (a) Schematic of lung agenesis. (b) Posteroanterior and (c) lateral radiographs of a 5-year-old boy with complete opacity of the right hemithorax and displacement of the heart and mediastinum to the right. Note the tracheal displacement to the right. (d) Bronchography and (e) pulmonary angiography in the same patient demonstrate complete absence of the main right pulmonary bronchus and artery, with normal left arteries and bronchial branches