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Fig. 3 | Radiation Oncology

Fig. 3

From: An investigation into the range dependence of target delineation strategies for stereotactic lung radiotherapy

Fig. 3

Phantom tumor movement along the superior-inferior direction as viewed in the frontal plane. The red, cyan and magenta contours represent the GTV, ITV, and PTV, respectively. For target ranges from 1 to 4 cm (left to right), the PTV is derived via (a) 10 phase “gold standard,” (b) free breathing, (c) augmented FB, (d) average intensity projection, and (e) maximum intensity projection image sets

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