A medical image processing apparatus includes: an abnormal shadow candidate detecting section for detecting an abnormal shadow candidate from a medical image in which a subject image is generated, with a judging logic which performs judgment with training data; a training data storing section for storing the training data used at a detection of the abnormal shadow candidate, so as to make the training data updatable; a displaying section for displaying the medical image and a detection result; an area designating section for designating an area to be registered as the training data on the medical image displayed on the displaying section; a data controlling section for having an image of the designated area stored in the training data storing section; and a logic correcting section for correcting the judging logic of the abnormal shadow candidate detecting section, based on the training data stored in the training data storing section.