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Table 3 Histologic evaluation of the primary tumors after chemoradiotherapy

From: Preoperative concurrent chemotherapy with S-1 and radiotherapy for locally advanced squamous cell carcinoma of the oral cavity: Phase I trial

  IV III IIb IIa I Response rate
Level 1   2 1    100%
Level 2 1 2     100%
Level 3   2 1    100%
Level 4 1 2     100%
Level 5   1 2    100%
Level 6    4 1 1 66.7%
Level 7   1 1 1   66.7%
Level 8   3 3    100%
Total 2 13 12 2 1 90.0%
  1. *The histological evaluation was defined according to Shimosato's classification of therapeutic effectiveness