The statement about mammography is wrong.

The mistake is to use a high-speed intensifying screen.

Mammography pursues high resolution and cannot use high-speed intensifying screen. A method of combining a single emulsion film with a single flexible line intensifying screen for mammography.

Mammography is the most traditional breast imaging examination method. In the past decades, mammography has undergone tremendous changes, from mammography and special screen film photography to full-field digital mammography. With the continuous improvement of image quality, the radiation dose is significantly reduced. Mainly used for screening and diagnosis of breast cancer, it is the most basic and preferred imaging examination method for breast diseases, and can detect early breast cancer with negative clinical palpation.