Irinotecan Liposome in Combination With Capecitabine

"Irinotecan liposome: intravenous infusion, day 1, every 2 weeks Capecitabine: oral, twice daily (bid), days 1 to 7, take for one week and then have a one-week interval.~Each 2-week period is considered a treatment cycle, with an expected treatment of 6 cycles. Subsequent maintenance treatment will be determined by the investigator's protocol until disease progression or intolerable toxicity occurs."