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Case number:	148
Age:	56
Clinical presentation:	Postmenopausal woman with average risk of developing breast cancer presented for mammography screening.

Mammography:

Breast composition:	ACR category b (there are scattered areas of fibroglandular density)
Mammography features:
‣ Location of the lesion:	Left breast, diffuse distribution macrocalcifications
‣ Mass:
• Number:	0
• Size:	None
• Shape:	None
• Margins:	None
• Density:	None
‣ Calcifications:
• Typically benign:	Round, typically benign with lucent centres
• Suspicious:	None
• Distribution:	None
‣ Architectural distortion:	None
‣ Asymmetry:	None
‣ Intramammary node:	None
‣ Skin lesion:	None
‣ Solitary dilated duct:	None
‣ Associated features:	None

BI-RADS:

BI-RADS Category: 2 (benign)

Case summary:

Postmenopausal woman with average risk of developing breast cancer presented for mammography screening. Diagnosed as typically benign rim calcifications in diffuse distribution in the left breast, BI-RADS 2 on imaging.

Learning points:

Round macrocalcifications with lucent centres may be confidently labelled as typically benign-appearing calcifications of BI-RADS 2 category. There is no further assessment or follow-up suggested for these calcifications.