Benign appearances, Grace McKee; malignant appearances, Peter A. Trott; equivocal appearances, Peter A. Trott; uncommon lesions, Clive A. Wells; nipple smears, Grace McKee; efficacy of breast needle aspiration cytodiagnosis, Peter A. Trott; image-guided fine needle aspiration of impalpable breast lesions, Joan Lamb and Euphemia McGoogan; research techniques and applications, Ian O. Ellis.