Figure 1.

A: T ₂‐weighted image for a 50‐year‐old stage IV HNSCC patient (patient 3) with outlined primary VOI (red). B: $T_2^{*}$ parametric maps calculated for visit 1 (three representative slices at the center of the tumor). C: Boxplots showing distributions of $T_2^{*}$ measured in primary tumor VOI in both visits and differences in $T_2^{*}$ between the visits. D: Differences in $T_2^{*}$ between the visits on a per‐voxel basis.