C50.42 - Malignant neoplasm of upper-outer quadrant of breast, male C50.4 - Malignant neoplasm of upper-outer quadrant of breast C50.42 - Malignant neoplasm of upper-outer quadrant of breast, male
C50.421 - Malignant neoplasm of upper-outer quadrant of right male breast C50.422 - Malignant neoplasm of upper-outer quadrant of left male breast C50.429 - Malignant neoplasm of upper-outer quadrant of unspecified male breast