passages.id: split_4_test_167_passage
passages.type: progene_text
passages.text: In the primary tumors , the most common sites of copy number gains were 3q26.3-27 ( 45 % ) , 8q24 ( 41 % ) , 5p15 ( 38 % ) , Xq27 - 28 ( 38 % ) , 14q32 ( 31 % ) , 11q13 ( 28 % ) , and 20q13.3 ( 28 % ) .