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The calculation workflow of treatment planning computed tomography (CT) and fractional in-room CT (irCT) images. pCT50% images, treatment planning CT images of the maximum exhalation phase; irCT50% images, in-room CT images of the maximum exhalation phase; Replace, replace condition; No Replace, without replace condition; Template, irradiation conditions set (slice position, spot position in the plane of each slice position, and number of particles per spot etc.).
