The present technique relates to a surgical image processing apparatus, an image processing method, and a surgery system that each enable easy comparison of images acquired before and after updating of software with each other.An image processing part applies an image process by software to a surgical region image, and a display control part controls a display of the surgical region image to which the image process is applied. The image processing part produces a pre-update processed image acquired by applying the image process established before updating the software to the surgical region image and a post-update processed image acquired by applying the image process established after updating the software to the surgical region image, and the display control part controls a display of at least a portion of at least either one of the pre-update processed image or the post-update processed image. The present technique is applicable to a CCU of an endoscopic surgery system.
