Prognostic Nomogram and a Risk Classification System for Predicting Overall Survival of Elderly Patients with Fibrosarcoma: A Population-Based Study

Figure 1

Kaplan–Meier survival curves of variables were performed for elderly patients with fibrosarcoma: (a) age, (b) grade, (c) chemotherapy, (d) tumor stage, and (e) surgery.

(a)

(b)

(c)

(d)

(e)