化疗和免疫抑制时、肠道缺血缺氧-再灌注性损伤性损伤等可以导致严重肺部感染性损伤，并发展为ARDS。
B-pro I-pro O B-pro I-pro I-pro I-pro O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O B-dis I-dis I-dis I-dis O