lumpectomy
nounSurgical excision of a tumor from the breast with the removal of a minimal amount of surrounding tissue.
nounSurgical excision of a mass.
nounthe removal of a cyst or tumor from the breast by surgery. This is one method of treating breast tumors when in an early stage, and is preferred for cosmetic reasons, when medically feasible, to
The surgical removal of a
surgical removal of a tumor without removing much of the surrounding tissue or lymph nodes; performed in some cases of breast cancer