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目的 To elucidate the radiological stages and prognoses of pneumocystis jiroveci pneumonia(PCP)in non-AIDSimmunocopromised patients.方法 Retrospective analysis of radiological manifestations and prognoses of 50 non-AIDS PCP immunocopromised patients fromAugust 2009 to July 2013.Chest radiograph were divided into 3 stages:early stage(normal or nearly normal Chest radiograph),mid stage(bilateral pulmonary infiltrates)and late stage(bilateral pulmonary consolidations); chest HRCT were also divided into 3stages:early stage(bilateral diffuse GGO),mid stage(bilateral diffuse GGO and patchy consolidations)and late stage(bilateraldiffuse consolidations).