title: Multiple primary tumors including bilateral breast cancers in a man with Klinefelter's syndrome.
mesh_terms: D001254:Astrocytoma / Q000209:etiology; D001859:Bone Neoplasms / Q000209:etiology; D001932:Brain Neoplasms / Q000209:etiology; D001943:Breast Neoplasms / Q000209:etiology*; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000209:etiology; D002291:Carcinoma, Papillary / Q000209:etiology; D002817:Chordoma / Q000209:etiology; D006177:Gynecomastia / Q000209:etiology; D006801:Humans; D007713:Klinefelter Syndrome / Q000150:complications*; D008067:Lipoma / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009378:Neoplasms, Multiple Primary / Q000209:etiology*; D012447:Sacrum; D013964:Thyroid Neoplasms / Q000209:etiology