C50.5 - Malignant neoplasm of lower-outer quadrant of breast
C50.51 - Malignant neoplasm of lower-outer quadrant of breast, female
C50.511 - Malignant neoplasm of lower-outer quadrant of right female breast
C50.512 - Malignant neoplasm of lower-outer quadrant of left female breast
C50.519 - Malignant neoplasm of lower-outer quadrant of unspecified female breast