biostudies-literatureUnknown23(1)Liu LWorld journal of surgical oncologyhttps://www.ebi.ac.uk/biostudies/studies/S-EPMC12352007biostudies-literatureOptimal number of lymph nodes for long-term survival in lymph node-negative rectal cancer: a population-based studyPMC12352007Xia XLi XLiu LHu JZheng LJu YCheng YQin CfalseOptimal number of lymph nodes for long-term survival in lymph node-negative rectal cancer: a population-based study2025-01-01T00:00:00Z2025 Jan2026-05-04T15:25:07.519Z2026-04-07T20:38:17.676ZS-EPMC12352007