| Case number: | 130 | 
| Age: | 70 | 
| Clinical presentation: | Postmenopausal woman with average risk of developing breast cancer presented with lumpish feel in the upper quadrant of the right breast following blunt trauma by ball. | 
| Breast composition: | ACR category a (the breasts are almost entirely fatty) | Mammography features: | 
| ‣ Location of the lesion: | None | 
| ‣ Mass: | |
| • Number: | 0 | 
| • Size: | None | 
| • Shape: | None | 
| • Margins: | None | 
| • Density: | None | 
| ‣ Calcifications: | |
| • Typically benign: | None | 
| • Suspicious: | None | 
| • Distribution: | None | 
| ‣ Architectural distortion: | None | 
| ‣ Asymmetry: | Focal | 
| ‣ Intramammary node: | None | 
| ‣ Skin lesion: | None | 
| ‣ Solitary dilated duct: | None | 
| ‣ Associated features: | None | 
| Ultrasound features: Right breast, upper outer quadrant at 12 o’clock | |
| ‣ Mass | |
| • Location: | Right breast, upper outer quadrant at 12 o’clock | 
| • Number: | 1 | 
| • Size: | 2.2 × 1.0 cm | 
| • Shape: | Oval | 
| • Orientation: | Parallel | 
| • Margins: | Circumscribed | 
| • Echo pattern: | Heteroechoic | 
| • Posterior features: | No posterior features | 
| ‣ Calcifications: | None | 
| ‣ Associated features: | None | 
| ‣ Special cases: | None | 
| Postmenopausal woman presented with lumpish feel in the upper quadrant of the right breast following recent blunt breast trauma. Diagnosed as haematoma collection in right breast, BI-RADS 2 on imaging. | 
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