title: The diagnostic significance of intracytoplasmic lumina in metastatic neoplasms.
mesh_terms: D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis / Q000648:ultrastructure; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D009362:Neoplasm Metastasis / Q000175:diagnosis / Q000648:ultrastructure*; D010503:Periodic Acid-Schiff Reaction