Fig. 1From: Moving targets in 4D-CTs versus MIP and AIP: comparison of patients data to phantom dataIllustration of the lung phantom (a) and delineation examples of the two targets (Ø 1 cm and Ø 2 cm) in one out of 10 phases of the 4DCT (b), in average intensity projection (c), in maximum intensity projection (d)Back to article page