| CI | Confidence interval |
| BIRADS | Breast Imaging Reporting and Data System |
| DCIS | Ductal carcinoma in situ |
| IDC | Invasive ductal carcinoma |
| IGM | Idiopathic granulomatous mastitis |
| IR | Infrared |
| IRB | Institutional Review Board |
| LIQ | Lower inner quadrant |
| LOQ | Lower outer quadrant |
| MR | Magnetic resonance |
| NOS | Not otherwise specified |
| ROI | Region of interest |
| US | Ultrasound |
| UIQ | Upper inner quadrant |
| UOQ | Upper outer quadrant |
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