“… 1 , 2 , 3 True HAAs exceeding 10 cm have been reported 11 times. 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 However, this is the first case documenting a giant, chronic pseudoaneurysm exceeding 10 cm in the CHA. Although most CHA pseudoaneurysms stem from traumatic or iatrogenic origins, no previous history of endovascular or open surgery, trauma, or infection was noted in this case.…”