Pulmonary Blastoma

**Definition:** A malignant neoplasm of the lung composed chiefly or entirely of immature undifferentiated cells (i.e., blast forms) with little or virtually no stroma. (From Stedman, 25th ed)

**Tree numbers:** - C04.557.435.675 - C04.588.894.797.520.867

**Synonyms:** - Blastomas, Pulmonary - Pulmonary Blastomas - Blastoma, Pulmonary