“…The complete analysis of the hyperdiploid stemline showed that it contained recurrent structural rearrangements involving chromosomes 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 18, and 19. Numerical gains of chromosomes X, 1,2,3,4,7,11,14,16,17,18,19,20, and 21 were present. Of note, the only chromosome homologues that did not have structural rearrangements were chromosomes 7, 9, 13, 14, 20, 21, 22, (19)t (5;19;5),+20,+20,+21,+21 [5].…”