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Kaplan–Meier survival curves of patients with available individual data: A. Progression-free survival (n=39) and B. Overall survival (n=53) of the total pooled cohort; C. Overall survival (n=53) based on primary tumor; D. Overall survival (n=53) based on immune checkpoint inhibitor therapy; E. Overall survival (n=43) based on the use of steroids concurrent to immune checkpoint inhibitor use.
