Sandbox:MGS

Malignant Tumors

Type	Subtype
Adenocarcinoma
Ductal	Ductal carcinoma in situ (DCIS) comedo type: ~60% of DCIS non comedo type: ~40% of DCIS papillary micropapillary cribriform solid intracystic papillary carcinoma in situ invasive ductal carcinoma invasive ductal carcinoma not otherwise specified (NOS): ~65% tubular carcinoma of breast: ~7-8% tubulolobular carcinoma of breast medullary carcinoma of breast (MCB): ~2% mucinous (colloid) carcinoma: ~2% malignant papillary lesions of the breast papillary carcinoma of breast: 1-2% 1
Lobular	lobular carcinoma in situ (LCIS) invasive lobular carcinoma: ~10%
Other malignant breast tumors	inflammatory carcinoma of breast: 1-4% Paget disease of the nipple triple negative and basal-like breast cancers metaplastic carcinoma of the breast adenoid cystic carcinoma of the breast: <0.4% apocrine carcinoma of the breast
Sarcoma	angiosarcoma of the breast fibrosarcoma of breast extra-skeletal osteosarcoma of breast malignant phyllodes tumor angiosarcoma rhabdomyosarcoma
Lymphoma	Non-hodgkin lymphoma
Metastases to the breast	The most common extra-mammary cancers that metastasise to breast are: lymphoma/leukaemia: most common extra mammary source melanoma sarcomas prostate cancer: considered on the most frequent primary sites in men 4 lung cancer gastric cancer ovarian cancer renal cell cancer