Prospective Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Dec 28, 2019; 25(48): 6939-6948
Published online Dec 28, 2019. doi: 10.3748/wjg.v25.i48.6939
Table 3 Correlation of surgical radicality and postoperative circulating tumor DNA
NumberState (time to recurrence or follow-up time)
R028
ctDNA positive22 recurrence (6 mo)
ctDNA negative2610 no recurrence (6-36 mo), 14 recurrence (4-22 mo)1
R17
ctDNA positive44 recurrence (3-7 mo)
ctDNA negative31 no recurrence (5 mo), 2 recurrence (7 or 22 mo)
R215
ctDNA positive1512/2/1 metastasis/primary tumor/both present
ctDNA negative0-