Research Article

Inflammatory Myofibroblastic Tumors in Paranasal Sinus and Nasopharynx: A Clinical Retrospective Study of 13 Cases

Figure 7

The overall survival (OS) of 10 patients followed up was estimated using the Kaplan–Meier method. Among prednisone (a), surgery (b), radiotherapy (c), and chemotherapy (d), only treatment with prednisone was significantly associated with better OS.
(a)
(b)
(c)
(d)