Efficacy of Surgery in Patients with Stage I Primary Parotid Gland Lymphoma: A Population-Based Study

Figure 1

Survival curve for OS and CSS comparison. OS (a) and CSS (b) for patients with primary parotid gland lymphoma before PSM; OS (c) and CSS (d) for patients with stage I primary parotid gland lymphoma after PSM.

(a)

(b)

(c)

(d)