"5: malignant"
"4: probably malignant: biopsy should be considered"
"3: probably benign: initial short-term follow-up recommended"
"2: benign"
"1: normal"
"0: need additional views"
"The 5-tier ACR system was previously used for classifying radiologic breast findings and was proposed by the American College of Radiology (ACR) ref. It is no longer in use, having been superseded by the 6-tier BI-RADS classification system first published in 1992 1."
"BI-RADS"