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Examples of manual segmenting and contouring of regions of interests (ROIs) of rhabdomyosarcoma (RMS) and yolk sac tumor (YST). Outline of the ROI on one slice of an RMS on non-enhanced phase (NP) (A), arterial phase (AP) (B), and venous phase (VP) (C) images; outline of the ROI on one slice of a YST on NP (D), AP (E), and VP (F) images.
