Table S1. Clinical features of 26 enrolled patients. Table S2. The linear regression formula, slope K and coefficient of correlation R2 for each curve. Table S3. The plasma ctDNA concentrations from time A to time D in the half-life analyzed patients. Table S4. Correlation between clinical characteristics and the plasma ctDNA concentration at times P1, P2 and P3. Table S5. The exact time interval from tumor resection to the series of scheduled time point (Time B to Time P2). Table S6. Plasma DNA metrics and ctDNA content analysis at each time point for 26 patients. Table S7. Adjacent normal tissue and Tumor tissue DNA metrics for 26 patients. Table S8. Detailed gene mutation informations for all tumors and each time point plasmas. Table S9. White blood cell DNA metrics for 26 patients.