PULMONARY NEOPLASMS IN CHILDREN
Pulmonary neoplasms of all types are rare in children through 19 yrs.
More likely metastasis than a primary tumor.
Lungs differ from other major organs: rare site of childhood dysontogenetic neoplasms recapitulating developmental stages.
Classic pulmonary blastoma (dysontogenetic tumor of the lung): Reported mainly in adults.