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)
coord IM with LUNG NEOPLASMS (IM)
Other names Blastoma, Pulmonary; Pulmonary Blastomas; Blastomas, Pulmonary