Mammographers deal with localization of breast lesions every day. Although the
basic concept of localization of breast lesions has been quite horoughly
explained in the literature, sometimes it is confusing and not familiar to
novices. The purpose of this manual is to explain this principle from a
practical point of view in a simple, geometric way using various simplified
schemes. The main contents are : understanding the method of localization of
the lesions, both basic and taking into consideration the depth of the lesions.