Yale: Introduction to Cardiothoracic Imaging Comprehensive overview of cardiothoracic imaging and major diseases, including over 700 diagnostic images, 100 original medical illustrations, and many animations and audiovisuals. Designed primarily for second-year medical students at Yale, the site may also be useful to science teachers, pre-med undergraduates, and anyone interested in the details of heart and lung imaging. in Medicine > Cardiologywith 700cardiologycardiothoracicdiseasesimagingmajormedicineoverview