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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Cancer Genet. 2017 Sep 14;218-219:39–50. doi: 10.1016/j.cancergen.2017.08.006

Figure 1. Overview of the study.

Figure 1

Ten patients were included in the analysis of circulating cell-free DNA (ccfDNA) at diagnosis of primary cancer and at the time of progressive disease. DNA from frozen primary tumors that were collected during surgery were used as a comparison. All 30 DNA samples were subjected to next generation sequencing (NGS) of 56 genes with cancer-associated mutations.