ACR Standardized Abbreviations
| PREFIX | BASE | SUFFIX |
| (7⁄16" letters) R (Right) L (Left) M (Magnification) |
(¼" letters) MLD (Mediolateral Oblique) CC (Craniocaudal) ML (Mediolateral) LM (Lateral Medial) XCLL (Exaggerated Craniocaudal) CC (Cleavage) AT (Axillary Tail) TAN (Tangential) ID (Implant Displaced) SIO (Superolateral to Inferomedial Oblique) LMO (Lateromedial Oblique) FB (From Below) |
(¼" letters) RL (Roll Lateral) RM (Roll Medial) RS (Roll Superior) RI (Roll Inferior) |
| DEGREES (not standard) | INITIALS (not standard) | |
| ¼" letters | ¼" letters |