Any neoplasms of the male breast. These occur infrequently in males in developed countries, the incidence being about 1% of that in females.

Synonyms: Tumors, Male Breast, Male Breast Neoplasm, Carcinoma, Male Breast, Tumors, Breast, Male, Neoplasm, Male Breast, Male Breast Tumors, Male Breast Tumor, Neoplasms, Breast, Male, Breast Neoplasms, Male, Cancer, Male Breast, Tumor, Male Breast, Male Breast Cancer, Male Breast Carcinoma, Neoplasms, Male Breast, Breast Tumors, Male, Breast Cancer, Male, Breast Tumor, Male, Male Breast Neoplasms, Breast Neoplasm, Male, Breast Carcinoma, Male