From: Preoperative concurrent chemotherapy with S-1 and radiotherapy for locally advanced squamous cell carcinoma of the oral cavity: Phase I trial
CR
PR
SD
PD
Response rate
Level 1
1
50%
Level 2
0%
Level 3
2
33.3%
Level 4
66.7%
Level 5
3
Level 6
Level 7
100%
Level 8
Total
9
10
42.9%