On the left, Euler-Venn diagram of point mutations detected by lbNGS and ttNGS on matched genes from the same patients; on the right, the percentage of point mutations detected by lbNGS and ttNGS on matched genes from the same patients. lbNGS, liquid biopsy NGS; NGS, next generation sequencing; ttNGS, tumour tissue NGS. On the left, Euler-Venn diagram of point mutations detected by lbNGS and ttNGS on matched genes from the same patients; on the right, the percentage of point mutations detected by lbNGS and ttNGS on matched genes from the same patients. lbNGS, liquid biopsy NGS; NGS, next generation sequencing; ttNGS, tumour tissue NGS. Christian Rolfo et al. ESMO Open 2018;3:e000398 Copyright © European Society for Medical Oncology. All rights reserved.