KAO-LANG LIUJIN-SHING CHENTSU-YAO CHENG2020-03-272020-03-2720160002-9270https://scholars.lib.ntu.edu.tw/handle/123456789/479424Pulmonary sequestration: An unusual cause of Elevated CA 19-9note10.1038/ajg.2016.142271511132-s2.0-84966477878