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Inverse probability weighting–adjusted Kaplan-Meier curves of colorectal cancer–specific and overall survival according to smoking status at diagnosis in strata of tumor-infiltrating lymphocytes. The P values were calculated using the weighted 2-sided log-rank test (2-sided). A and B) Colorectal cancer with negative or low tumor-infiltrating lymphocytes. C and D) Colorectal cancer with intermediate or high tumor-infiltrating lymphocytes.
