Mammogram Interpretation

The American College of Radiology (ACR) has established the Breast Imaging Reporting and Database System (BI-RADSTM) to guide the breast cancer diagnostic routine. Radiologists sometimes refer to each BI-RADSTM category as a "level."

BI-RADS Assessment Categories
Category 0---Need Additional Imaging Evaluation
Category 1---Negative
Category 2---Benign Finding
Category 3---Probably Benign Finding – Short Interval Follow-Up Suggested
Category 4---Suspicious Abnormality – Biopsy Should Be Considered
Category 5---Highly Suggestive of Malignancy – Appropriate Action Should Be Taken

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