title: Primary extranodal Hodgkin's disease; report of five cases and survey of the literature.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006689:Hodgkin Disease / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D013274:Stomach Neoplasms; D013964:Thyroid Neoplasms