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Table 1 Histological classification of invasive breast cancer, including the estimated proportion of all breast carcinomas for each histologic type

From: The pathology of familial breast cancer: The pre-BRCA1/BRCA2 era - historical perspectives

Histologic type Estimated frequency (%)
Ductal carcinoma, not otherwise specified 70
Lobular carcinoma 10
Tubular carcinoma 5
Mucinous carcinoma 5
Medullary carcinoma 3
Atypical medullary carcinoma 3
Other (metaplastic, papillary, adenoid cystic, etc) 4