如pickshell和葉蓁所說，category 4提示異常可能。統計說30%的category4最後確認異常

"The BI-RADS assessment categories are:

• 0- incomplete
• 1-negative
• 2-benign findings
• 3-probably benign
• 4-suspicious abnormality
• 5-highly suspicious of malignancy
• 6-known biopsy with proven malignancy

A BI-RADS category 4 mammogram has a positive predictive value of about 30%. A category 5 mammogram is almost certainly predictive of breast cancer with a positive predictive value of about 95%."

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• 謝謝 -momagain- ♀ (0 bytes) () 12/22/2019 postreply 06:32:11