Discrimination of benign and malignant mammographic masses based on BI-RADS attributes and the patient's age. 6 Attributes:
BI-RADS assessment: 1 to 5 (ordinal, non-predictive!) - Age: patient's age in years (integer)
Shape: mass shape: round=1 oval=2 lobular=3 irregular=4 (nominal) - Margin: mass margin: circumscribed=1 microlobulated=2 obscured=3 ill-defined=4 spiculated=5 (nominal)
Density: mass density high=1 iso=2 low=3 fat-containing=4 (ordinal)
Severity: benign=0 or malignant=1 (binominal, goal field!)