Table 2.

Representing benign and malignant BI-RADS features.

BI-RADS Features	Features Favouring Benign	Features Favouring Malignant
Shape	Oval	Irregular and Round
Orientation	Parallel to skin	Not parallel to skin
Margin	Circumscribed	Microlobulated, Indistinct, Angular, Spiculated
Echo Pattern	Abrupt interface	Echogenic halo
Posterior Feature	-	Shadowing, Combined pattern