Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Guradant360 ctDNA assay of patients treated with regorafenib and PD‐1 inhibitor. (A, B): ctDNA of SD patients. (C, D): ctDNA of PD patients. (E): The highest MAF change at baseline and 4 weeks after treatment in patients with PD. (F): The highest MAF change at baseline and 4 weeks after treatment in patients with SD.
Abbreviations: MAF, mutation allele frequency; PD, progressive disease; SD, stable disease.
