Abstract:Purpose: To determine daily positional variations of the target relative to skeleton during pancreatic IMRT. To assess the dosimetric impact of these variation to target and critical organ. Methods: Eight patients with pancreatic cancer underwent placement of at least 3 gold fiducials by endoscopic ultrasound guidance. Patients were immobilized using alpha‐cradle for gated CT simulation and gated IMRT. Gated CT images were acquired with either prospective gating or retrospective gating (4D‐CT). IMRT was planne… Show more
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