1. A method for inspecting a body cavity, comprising: inserting an endoscope into the body cavity, the endoscope comprising a camera and a first illuminator and a second illuminator; acquiring with the camera a first image of the body cavity while the cavity is illuminated by the first illuminator and a second image of the cavity while the cavity is illuminated by the second illuminator; forming a comparison between the first image and the second image; and identifying an area of the body cavity as a suspect region in response to the comparison.