| WHO | World Health Organization |
| COVID-19 | coronavirus disease ‘19 |
| SARS-CoV-2 | severe acute respiratory syndrome coronavirus 2 |
| US | ultrasound |
| SIRM | Italian Society of Radiology and Interventional Radiology |
| MRI | magnetic resonance imaging |
| RT-PCR | reverse transcriptase-polymerase chain reaction |
| FFP | filtering face piece |
| BIRADS | breast imaging reporting and data system |
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