Preferred Label : Type Ir Pleuropulmonary Blastoma;
NCIt synonyms : Type I Involuted Pleuropulmonary Blastoma; Type I Regressed Pleuropulmonary Blastoma;
NCIt related terms : Type Ir PPB;
NCIt definition : A subtype of type I pleuropulmonary blastoma characterized by the presence of cysts
without the presence of primitive malignant small cells.;