Resection may refer to: Resection (surgery), the removal by surgery of all or part of an organ or other body structure Segmental resection (or segmentectomy), the partial removal of an organ or other body structure Position resection, a means of establishing a location by measuring angles only to known points Resection (free stationing), a means of establishing a position and orientation of a total station by measuring angles and distances to known points DNA end resection, the process of cutting away the 5' side of a blunt end of double-stranded DNA