6.A number of predictive and prognostic factors have been associated with poorer survival, including older age and poor PS, as well as an increased number of metastases, metastases to multiple organs, mediastinal nodal involvement and squamous cell histology.
许多预测和预后因素与较差的生存率相关,包括年龄较大和 PS 较差,以及转移数量增加、转移至多个器官、纵隔淋巴结受累和鳞状细胞组织学。机翻
「Fast Facts Non-Small-Cell Lung Cancer」评价该例句:好评差评指正