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. Author manuscript; available in PMC: 2013 Sep 9.
Published in final edited form as: AJR Am J Roentgenol. 2013 Jul;201(1):W57–W63. doi: 10.2214/AJR.12.9579

Fig. 4. Overall survival (OS) and progression-free survival (PFS) results by stage of disease.

Fig. 4

A and B, OS (A) and PFS (B) curves show patients with early disease, defined as stage I or II, had longer OS and PFS than those with advanced disease, defined as stage III or IV.