Fig. 2From: Undetectable circulating tumor DNA (ctDNA) levels correlate with favorable outcome in metastatic melanoma patients treated with anti-PD1 therapyComparison between the groups of patients with detectable versus undetectable baseline ctDNA for OS and PFS. Kaplan–Meier curve for overall survival (a) and progression-free survival (b) according to ctDNA levels at baseline (pretreatment)—detectable versus undetectableBack to article page