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Continue to ChatSubmucousal injection of Carbon nanoparticles preoperatively improves lymph node staging accuracy in rectal cancer following neoadjuvant chemoradiotherapy https://www.sages.org/meetings/annual-meeting/abstracts-archive/submucousal-injection-of-carbon-nanoparticles-preoperatively-improves-lymph-node-staging-accuracy-in-rectal-cancer-following-neoadjuvant-chemoradiotherapy/