title: Extranodal gastrointestinal sinus histiocytosis with massive lymphadenopathy. Clinically presenting as a malignant tumor.
mesh_terms: D001853:Bone Marrow / Q000473:pathology; D003106:Colon / Q000473:pathology; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000473:pathology*; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D008206:Lymphatic Diseases / Q000473:pathology*; D008875:Middle Aged; D013270:Stomach / Q000473:pathology