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. 2020 Oct 13;15:1939–1949. doi: 10.2147/CIA.S271969

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© 2020 Wang et al.

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(A) Comprehensive comorbidity index (CCI)–score distribution corresponding to each Clavien–Dindo classification (CDC) grade; (B) CDC-grade distribution corresponding to each age-group in elderly patients after radical colorectal cancer surgery.