Smoothed Plots of Frequency Distributions of Node-Negative Percentage for 13,890 Invasive Cancers That Were Identified at Diagnostic Mammography (Among Radiologists Finding Five or More Invasive Cancers of Known Nodal Status), 1996 - 2005

An overlaid solid line indicates the 50th percentile (median), paired dashed lines indicate the 25th and 75th percentiles, and paired dotted lines indicate the 10th and 90th percentiles.

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