Ms. B was diagnosed with stage IVA malignant ovarian tumor. Blood tests were conducted to detect CTCs at different chemotherapy cycles, and the number of CTCs decreased from 500 initially to 0, indicating excellent efficacy, consistent with the trend of other tumor clinical indicators.

After different chemotherapy cycles, CTC test results can conveniently and directly quantify the evaluation of treatment effectiveness, helping to determine the next chemotherapy plan.

CTC testing can accurately assess chemotherapy efficacy and corroborate changes in various clinical tumor indicators.