segmental resection

Definition of segmental resection
National Cancer Institute

segmental resection

(seg-MEN-tul ree-SEK-shun)
Surgery to remove part of an organ or gland. It may also be used to remove a tumor and normal tissue around it. In lung cancer surgery, segmental resection refers to removing a section of a lobe of the lung. Also called segmentectomy.

Source: NCI Dictionary of Cancer Terms