Fig. 3From: Considerable interobserver variation in delineation of pancreatic cancer on 3DCT and 4DCT: a multi-institutional studyScatterplots of GTV (left) and iGTV (right) of all four patients with the median and 25th and 75th percentile represented by the horizontal lines. Colors are related to observers and are similar for Figs.1, 2 and 5 Back to article page