OS and PFS stratified by chemotherapy regimens in early-stage patients receiving CMT or chemotherapy only. OS (A) and PFS (B) of non–ANT-based regimens vs ANT-based regimens in early-stage patients receiving CMT before PSM. OS (C) and PFS (D) of non–ANT-based regimens vs ANT-based regimens in early-stage patients receiving chemotherapy only before PSM.