One example selected by the maximum PD is shown in the coronal view of the PET scan.

Abstract

<p>(A) Differences observed between the tumor depiction in the 3D and 4D PET scans. The 4D contour was consistently lager in the SI direction. FDG-avid regions in the (B) T5% and (C) T55% respiratory phases moving outside the boundary depicted by the 3D contour.</p