RT Journal Article SR Electronic T1 Lung cancer masquerading as fungus-associated mucoid impaction JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e227470 DO 10.1136/bcr-2018-227470 VO 11 IS 1 A1 Kohei Horiuchi A1 Takanori Asakura A1 Shinji Sakaguchi A1 Fumitake Saito YR 2018 UL http://casereports.bmj.com/content/11/1/e227470.abstract AB