Here we report a patient who had a giant aneurysm - like right coronary artery resulting from a fistula terminating in the coronary sinus and another fistula arising from the circumflex artery 我们在这里报告一个病人同时患有先天性巨大瘤状右侧冠状动脉及另一个源自左侧环状枝的动静脉瘘管;且此两动静脉瘘管同时终止于冠状静脉窦。