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Case number:	135
Age:	50
Clinical presentation:	Postmenopausal woman with average risk of developing breast cancer presented for mammography screening.

Mammography:

Breast composition:	ACR category d (the breasts are extremely dense, which lowers the sensitivity of mammography)
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:	None
‣ Intramammary node:	None
‣ Skin lesion:	None
‣ Solitary dilated duct:	None
‣ Associated features:	None

BI-RADS:

BI-RADS Category: 1 (negative)

Case summary:

Postmenopausal woman with average risk of developing breast cancer presented for mammography screening. Diagnosed as BI-RADS 1 on imaging.

Learning points:

Mammography screening is recommended between 50 and 74 years for women with average risk of developing breast cancer.