NCIt synonyms : Lung Solid Adenocarcinoma with Mucin; Solid Lung Carcinoma with Mucus Formation; Solid Adenocarcinoma of Lung with Mucin; Solid Adenocarcinoma of the Lung with Mucin; Pulmonary Solid Adenocarcinoma with Mucin;
NCIt related terms : Solid adenocarcinoma;
NCIt definition : A morphologic variant of lung adenocarcinoma characterized by the presence of polygonal
malignant cells forming sheets. Acinar, papillary, micropapillary, or lepidic growth
patterns are absent. If the tumor is 100 percent solid, intracellular mucin should
be present in at least five tumor cells in each of two high-power fields and confirmed
with mucin immunohistochemical stains. Tumors formerly classified as large cell carcinomas
expressing pneumocyte immunohistochemical markers, even if intracellular mucin is
absent, are now included in this category.;