Provided are a computer-aided diagnosis (CAD) system, a non-visual information providing apparatus and a method of providing non-visual information to facilitate making a diagnosis using a computer. The non-visual information providing apparatus includes a monitorer configured to detect condition information generated by a CAD apparatus, a non-visual information generator configured to generate non-visual information based on the detected condition information, and a non-visual information outputter configured to output the generated non-visual information to a user.
