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Table 4 Preoperative yT vs. postoperative ypT classification

From: Long-term results of extended intersphincteric resection for very low rectal cancer: a retrospective study

  ypT1 ypT2 ypT3 Total
yT2 - 23 1a 24 (38.7)
yT3 - 2 36 38 (62.3)
Total - 25 (40.3) 37 (59.7) 62 (100)
  1. Data are presented as number or number (%)
  2. aPatient overstaged from T2 to T3 in group I
  3. yT: clinical T stage after neoadjuvant treatment
  4. ypT: histological T stage after neoadjuvant treatment