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Fig. 1 | Radiation Oncology

Fig. 1

From: A comparison of target volumes drawn on arterial and venous phase scans during radiation therapy planning for patients with pancreatic cancer: the PANCRINJ study

Fig. 1

Representative axial CT scans showing inter-observer variability during delineation of the GTV in two patients. Patient 18 (A, B) represents the best JCI case (hypodense tumor with good concordance). Patient 7 (C, D) represents the worst JCI case (red arrow: iso-attenuating tumor with dilated bile duct; yellow arrow: normal pancreactic parenchyma) gsGTVs are shown in red; radiation oncologists’ GTVs are shown in blue and green at the arterial (A, C) and the venous phases (B, D)

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Radiation Oncology

ISSN: 1748-717X

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