Figure 3.
Kaplan–Meier analysis of cancer-specific survival for elderly patients (≥65 years) in sub-groups.
Notes: (A) Kaplan–meier analysis for cancer-specific survival in patients with age between 65 and 74 years and tumor of well or moderately differentiation; (B) Kaplan–meier analysis for cancer-specific survival in patients with age ≥75 years and tumor of well or moderately differentiation; (C) Kaplan–meier analysis for cancer-specific survival in patients with age between 65 and 74 years and tumor of poorly differentiation or undifferentiation; (D) Kaplan–meier analysis for cancer-specific survival in patients with age ≥75 years and tumor of poorly differentiation or undifferentiation.