Fig. 2From: Clinicopathological characteristics, treatment and prognosis of head & neck small cell carcinoma: a SEER population-based studyOverall survival curves of cases with H&NSmCC compared according to (a) age, (b) marital status at diagnosis, (c) AJCC T stage, (d) AJCC N stage, (e) AJCC M stage (f) AJCC stage, (g) radiotherapy, (h) chemotherapy and (i) treatment. Log-rank test was utilized to compare curves, and significance is presented on each panelBack to article page