1. A medical procedure support system, comprising: an endoscope for obtaining live images of an internal part of the body cavity of a subject; an endoscopic image creating unit for creating a live endoscopic image obtained by the endoscope; an image reading unit for reading a reference virtual image relating to the internal part of the subject and a marking information of a resected plane of an organ relating to the reference virtual image, the reference virtual image and marking information being prestored in a storage unit; a superimposition commanding unit for commanding to superimpose a marking image based on the marking information relating to the reference virtual image and an obtained insertion angle and scale of the live endoscopic image on at least one of the live endoscopic image and a live virtual image corresponding to the live endoscopic image; and a combined image creating unit for performing the superimposition of the marking image commanded by the superimposition commanding unit and creating a combined image thereof.