Research Article

Accuracy Evaluation of Collapsed Cone Convolution Superposition Algorithms for the Nasopharynx Interface in the Early Stage of Nasopharyngeal Carcinoma

Figure 1

Custom-made humanoid head acrylic phantom. (a) Phantom coronal section; (b) head phantom composed of all coronal sections; and (c) head phantom fixed with a mask.
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(b)
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