A radiographic moving image processing apparatus includes: a detector that detects a non-pulmonary region included in each frame image among a plurality of frame images included in a radiographic moving image； a setter that sets a region of interest in each frame image, the region of interest including a plurality of pixels； and a calculator that performs a calculation to obtain a statistic from at least part of a plurality of pixel values of the plurality of pixels, and, in the calculation, performs exception processing on pixel values of pixels belonging to the non-pulmonary region among the plurality of pixels in the region of interest, the exception processing being different from processing performed on pixel values of pixels belonging to a pulmonary region among the plurality of pixels in the region of interest.
