Stratified analyses of all 291 locally recurrent nasopharyngeal carcinoma patients using the gross recurrent tumor volume (TV) cut-off point (<22 cm³ vs. ≥22 cm³) to compare overall survival (A), local failure-free survival (B), distant metastasis-free survival(C) and toxicity-related death (D).

<p>Stratified analyses of all 291 locally recurrent nasopharyngeal carcinoma patients using the gross recurrent tumor volume (TV) cut-off point (<22 cm³ vs. ≥22 cm³) to compare overall survival (A), local failure-free survival (B), distant metastasis-free survival(C) and toxicity-related death (D).