Fig. 4
From: The characteristics of ctDNA reveal the high complexity in matching the corresponding tumor tissues
Mutant fragments of most mutations were enriched in small-size ctDNA. a The curve of probability density distribution of fragment sizes calculated by Gaussian smoothing. b The scatter plot of peak length of all SNVs and Indels with mutant fragment number larger than 20. c ddPCR validation of mutant enrichment of EGFR L858R mutation in small-size ctDNA