9 Downloadable software for processing and displaying anatomical images; downloadable software for clinical medical personnel to access anatomical viewing services via a computer network; downloadable software for clinical medical personnel to access anatomical images via a computer network for viewing before, during, and after surgery; downloadable software for clinical medical personnel to access digital anatomical models via a computer network for viewing before, during, and after surgery; downloadable software for clinical medical personnel to manipulate viewing perspectives of medical images and digital anatomical models; downloadable software allowing clinical medical personnel to transfer anatomical images from one device to another device for viewing before, during, and after surgery; downloadable software allowing clinical medical personnel to access services for converting patient image data into digital anatomical models for medical study of patient anatomy; downloadable software for use in generating an operative plan from medical images; downloadable software allowing clinical medical personnel to access medical picture archiving and communication systems (PACS), namely, to search for, upload, and download medical images and digital anatomical models from PACS; downloadable software allowing clinical medical personnel to manipulate three-dimensional viewing perspectives of digital anatomical models; digital anatomical models for planning diagnostic and therapeutic surgical procedures carried out with computer-assisted/robotic-assisted medical equipment and manual surgical instruments; digital anatomical models for intra-operative reference during diagnostic and therapeutic surgical procedures carried out with computer-assisted/robotic-assisted medical equipment and manual surgical instruments; digital anatomical models, namely, two-dimensional medical image data converted into three-dimensional medical images; digital anatomical models, namely, two-dimensional medical image data converted into three-dimensional models in which individual anatomical features can be identified, for which three-dimensional viewing perspectives can be manipulated, and with which medical procedures can be planned; digital medical images and digital anatomical models combined with non-graphical anatomical information, namely, anatomical structure volumes and anatomical distances derived from such images and models