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Lateral projection
The lateral projection can be taken either from the medial side
(mediolateral, ML) or from the lateral side (lateromedial, LM). If no
oblique projection is taken, the mediolateral projection may be
preferable since the lateral side of the breast, where pathological
changes are most commonly found, is then closest to the film.
However, if you want to include as much as possible of the medial
side, then the LM projection should be chosen.
Criteria:
The pectoral muscle should be
depicted as a narrow light band on
at least half of the picture. The nipple
should be depicted in profile and a
clear stomach fold should be visible
under the breast.
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