Research Article

Chemoradiotherapy and Increased Prescription Dose in Esophageal Squamous Cell Cancer: A Retrospective Study

Figure 2

(a–c) Kaplan-Meier survival curves for progression-free survival (PFS), overall survival (OS), and locoregional failure-free survival (LRFFS) curves. (d–f) Subgroup survival curves. (d) The overall survival (OS) of the clinical-stage IV subgroup was longer than that of the stage III subgroup (). (e) The progression-free survival (PFS) of female patients was longer than that of males (). (f) The OS of the middle-thoracic subgroup was shorter than that of the other subgroups ().
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