C50.1 - Malignant neoplasm of central portion of breast
C50.11 - Malignant neoplasm of central portion of breast, female
C50.111 - Malignant neoplasm of central portion of right female breast
C50.112 - Malignant neoplasm of central portion of left female breast
C50.119 - Malignant neoplasm of central portion of unspecified female breast