Exploration of time points and cut-off values for early tumour shrinkage to predict survival outcomes of patients with metastatic colorectal cancer treated with first-line chemotherapy using a biexponential model for change in tumour size.
Kentaro SakamakiYosuke KitoKentaro YamazakiNaoki IzawaTakashi TsudaSatoshi MoritaNarikazu BokuPublished in: ESMO open (2017)
It is suggested that a time point of 8 weeks and a cut-off value of 20% may be optimal criteria for defining ETS.