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Axial RARE T2-weighted images of mice pancreatic cancer xenografts in four groups receiving different treatments, showing homogeneous hyperintense tumor masses on the unilateral back of mice (arrows). Follow-up of tumor growths at different time points shows that, compared with the PBS (A-D), chemotherapy-only (I-L) and RFH-only (E-H) groups, the tumor size in the group treated by RFH-enhanced chemotherapy (M-P) was significantly decreased.
