Which is not true regarding the basisbof functional divisionsnof liver

All of the given option are true. If we have to choose one, most preferred option is 'liver is divided into 8 segments' because sometimes segment IX is described. Segment IX is a recent subdivision of segment I, and describes that pa of the segment that lies posterior to segment VIII Current understanding of the functional anatomy of the liver is based on couinand's division of the liver into eight (subsequently nine) functional segments, based upon the distribution of poal venous branches and the location of the hepatic veins in the parenchyma Segment IX is a recent subdivision of Segment I, and describes that pa of the segment that lies posterior to segment VIII Ref: Gray's anatomy Pgno :1165-1166