Pleuropulmonary blastoma

Pleuropulmonary blastoma (PPB) is a rare cancer originating in the lung or pleural cavity. It occurs most often in infants and young children but also has been reported in adults. [Source: Wikipedia ]

OrphaNet reference
Pleuropulmonary blastoma 
May Cause
Pediatric chest wall lesion
May Be Caused by
DICER1 syndrome