Patient: Description of the condition (onset, main symptoms, hospital visited, etc.): ovarian plasmacytoma 3c, moderate to low differentiation, surgery completed on June 8, 2010 including large omentum, ovary, uterus, appendix, etc., preoperative examination ca125: 477 cea: 12, more postoperative examination ca125: 1999 on June 17. chemotherapy was performed on June 18: tc regimen, July Checked ca125: 81.8 on 12 July, had second chemo on 15 July. What is the effect of the patient’s current regimen and is it insensitive? Zheng Aiwen, Department of Gynecologic Oncology, Zhejiang Cancer Hospital: TC regimen is the classical first-line chemotherapy regimen for ovarian cancer and is effective for most patients. It is recommended to evaluate thoroughly before the next course of treatment to decide whether the regimen is sensitive or not.