抄録
It is difficult to take proper mammography image concerning film density because the breast consists of soft tissue. Especially density of most dense part of the breast is important to read the mammography. FlexAEC is newly developed to get proper density by measuring density of the mammary gland. FlexAEC is effective though stabilizes the density of the film in an analog system, and, on the other hand, works effectively to stabilize X-ray dose in a digital system.
