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Purpose The impact of neoadjuvant therapy (NAT) for rectal cancer on lymph node yield is not well known. This study evaluates the impact of NAT on tumor regression and lymph node harvest. Methods The subjects were 40 patients with rectal cancer; 20 receiving high-dose, long-course neoadjuvant therapy, and 20 age- and sex-matched controls who did not receive neoadjuvant therapy. Tumor regression...