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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: Lancet Oncol. 2009 Dec 23;11(2):129–135. doi: 10.1016/S1470-2045(09)70354-7

Figure 3. CT scan of a 12-year-old patient with Ewing’s sarcoma, at baseline and after six cycles of treatment (A), and a 24-year-old patient with Ewing’s sarcoma with ongoing partial response (B).

Figure 3

In A, target lesion decreased by about 60% after six cycles, with a remaining central calcification. The residual mass was resected and confirmed as a pathological complete response. Non-target lesions also disappeared. In B, several target lung nodules disappeared after four cycles of treatment, qualifying for partial response. The non-target lesion in the mediastinum decreased by 60% (this also followed 45 Gy of radiation therapy in 15 fractions).