Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12014-020-9269-6/MediaObjects/12014_2020_9269_Fig1_HTML.png)
Progression-free survival. a Progression-free survival for the entire cohort. b Cohort stratified by duration of response
Progression-free survival. a Progression-free survival for the entire cohort. b Cohort stratified by duration of response