<prompt> BIRADS score of 4 suggests:Normal lesionSuspicion of malignancyMostly benignProven malignancy  <response>: BIRADS Breast Imaging Repoing And Data System Category Definition Likelihood of Malignancy 0 Incomplete assessment, need additional imaging evaluation Not applicable 1 Negative, routine mammogram in 1 year is recommended 0 2 Benign findings, routine mammogram in 1 year is recommended 0 3 Probably benign findings, sho term follow-up suggested 0 to 2 4 Suspicious abnormality, biopsy should be considered0 4A-Low suspicion; 4B-Moderate suspicion, 4C-High suspicion 4A:2-10 4B:10-50 4C:50-95 5 Highly suggestive of malignancy, appropriate action should be taken 95 6 Know biopsy-proven malignancy Not applicable 