Bronchial atresia
Primary peritoneal epithelioid mesothelioma
Pulmonary Langerhans cell histiocytosis
Severe pectus excavatum (and bone metastases)
Aspirated tooth
Cavitating lung cancer
Achalasia
Right upper lobe collapse
Near drowning (pulmonary edema)
Thoracic plombage
Cutaneous lesion mimicking a lung mass
Pleural tuberculosis - mass
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