An image display apparatus includes: a display unit configured to display an original image and a processed image obtained by applying image processing to the original image so that a lesion that is unidentifiable owing to a bone can be identified； an operation unit configured to receive an operation performed by a user； and a control unit configured to switch display on the display unit to the processed image when one operation at the operation unit is detected in a state in which the original image is displayed on the display unit, and switch the display on the display unit to the original image when the one operation at the operation unit is detected in a state in which the processed image is displayed on the display unit.
