Lumpectomy (sometimes known as a tylectomy) is a surgical removal of a discrete portion or “lump” of breast, usually in the treatment of malignant tumor or breast cancer.
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encyclopedia
Lung transplantation or pulmonary transplantation is a surgical procedure in which a patient’s diseased lungs are partially or totally replaced by lungs which come from a donor.
Lymph node biopsy is a test in which a lymph node or a piece of a lymph node is removed for examination under a microscope (see: biopsy).
Lymphadenectomy or lymph node dissection is the surgical removal of one or more groups of lymph nodes.
Mammaplasty (also called mammoplasty or mastoplasty) refers to a group of surgical procedures, the goal of which is to reshape or otherwise modify the appearance of the breast.