The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal.

You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes).

(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)

Fig. 4. —Mammogram of 43-year-old woman with isodense lobulated 18-mm mass with well-circumscribed margin. Mass is at tip of white arrowhead. Both mammographer and case-based reasoning would correctly recommend no biopsy of this benign lesion.