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Objective: Although the prognostic immune and nutritional index (PINI) has attracted increasing attention as a prognostic marker for various cancers, its clinical significance in older patients has not been fully clarified. This retrospective single-center study aimed to investigate the association among PINI, long-term prognosis, and postoperative complications in older patients with colorectal cancer (CRC).
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Matsubara et al. (2026) studied this question.
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