Further examination of a suspicious lesion found in a clinical consultation or screening is called diagnostic mammography, and usually requires the addition of one or more additional or special body shots to clarify the characteristics of the suspicious lesion. Because the photography is added to a key area, so called “customized” projection, usually the following 10 types: 1, cephalopod position magnified image 2, local compression photography 3, magnified photography 4, local tangential position 5, anterior compression position Tang Yi, Third Affiliated Hospital of Guangzhou Medical University Surgery 6, variable angle photography 7, 90 degrees lateral position 8, 9, cephalopod position Breast sulcus position 9, head-foot position 10, improved compression position of the breast after breast augmentation Since the FDA approved the digital mammography system into the clinic in 2000, the X-ray photography of the breast is moving in the direction of reducing radiation dose, three-dimensional imaging, and fully revealing details; contributing to the earlier detection of breast lesions.