Fig. 1.
Calculation of the neoadjuvant rectal (NAR) score. cT is an element of the set {1, 2, 3, 4}, pT is in {0, 1, 2, 3, 4}, and pN is in {0, 1, 2}. cT clinical tumor stage, pT pathologic tumor stage, pN pathologic nodal stage
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