Abstract
This study investigated the correlation between PD-L1 expression, metastasis, and survival in colorectal cancer (CRC) patients. PD-L1 expression was not significantly associated with overall survival, disease-free survival, or mortality rate. However, a significant difference was observed between PD-L1 positive and negative patients regarding the presence of metastasis, which was higher in the PD-L1 positive group. These findings suggest that PD-L1 expression may impact metastasis in CRC patients but not overall survival.
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