Place a pillow under your right shoulder and your right arm behind your head. Using your left hand, move the pads of your fingers around your right breast gently covering the entire breast area and armpit. Use light, medium, and firm pressure. Squeeze the nipple; check for discharge and lumps. Benign Breast Changes. Pre-Cancerous Breast Lumps. Breast Cancer. During a breast self-exam, you may notice lumps or a change in the texture of your. Your physician will examine your breasts and the lump in question. She may schedule imaging to get a better look at the breast tissue, and if. The way your breasts look and feel can be affected by getting your period, having children, Many conditions can cause lumps in the breast, including cancer.