Fig. 2From: Evaluation of the new TNM-staging system for thymic malignancies: impact on indication and survivalRecurrence-free survival curves for patient subgroups according to the three stage groupings. There were significant differences between stage I + II compared to stage III or stage IV with respect to the Masaoka-Koga (a) and the proposed IASLC/ITMIG (b) staging system. Recurrence-free survival was nearly similar between stage III and stage IVBack to article page