Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12885-021-07802-y/MediaObjects/12885_2021_7802_Fig1_HTML.png)
Patient inclusion flowchart. Pooled data from a total of 240 lung cancer patients who received CBDCA+PEM or CBDCA+PTX were selected out of 2468 patients from two prospective observational studies and analyzed
Patient inclusion flowchart. Pooled data from a total of 240 lung cancer patients who received CBDCA+PEM or CBDCA+PTX were selected out of 2468 patients from two prospective observational studies and analyzed