Presentation
Screening images of the left breast
Patient Data
Age: 70 years
Gender: Female
From the case:
Breast cancer - temporal evolution
MLO

No abnormality on the MLO view of the left breast in 2011.
From the case:
Breast cancer - temporal evolution
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MLO

A subtle asymmetry is seen at 4 o'clock left breast and the patient was recalled for work up.
From the case:
Breast cancer - temporal evolution

An Infiltrating ductal carcinoma confirmed by ultrasound guided breast biopsy.
Case Discussion
It is important not to read breast imaging without reference to previous studies. This case was easy because the parenchyma was fatty. It would be very difficult to find a lesion this small early in a dense breast.