Five-Year Follow-Up of Concomitant Accelerated Hypofractionated Radiation in Advanced Squamous Cell Carcinoma of the Buccal Mucosa: A Retrospective Cohort Study

Table 3

Response to treatment.

Response after Induction chemotherapy	Number	Percent; (%)	Number	Percent; (%)	Number	Percent; (%)
	CR		PR		SD/PD
Local
T3	—	—	4	9	—	—
T4	8	18	29	64	4	9
Regional
N0	4	9	15	34	2	4
N+	4	9	18	40	2	4
Stage
III	—	—	4	9
IV	8	18	29	64	4	9
Response 6 weeks after completion of the treatment
T3	5	10	—	—	2	3
T4	34	54	—	—	22	35
Regional
N0	26	42	—	—	8	13
N+	13	20	—	—	16	25
Stage
III	3	5	—	—	2	3
IV	36	57	—	—	22	35

CR: complete response; PR: more than 50% reduction; SD: less than 50% reduction; PD: persistent/progressive disease.