1. A method for segmenting anatomical objects from medical images, said method comprising using a computer to perform at least the following: computing a centerline of an anatomical object; deriving a set of reformatted images based on said centerline of said anatomical object; receiving input from a user, said input being user drawn contours, said user drawn contours being drawn on a plurality of said reformatted images, said user drawn contours corresponding to the boundaries of the anatomical object to be segmented; extracting said anatomical object based on said user drawn contours and displaying contours of the extracted volume; and, editing the contours of the extracted volume.