Breast abscesses in breastfeeding women are closely linked to another condition called mastitis, a bacterial infection that if left untreated could become serious. Breast abscesses are swollen, red lumps that may feel warm or hot. As well as the lump, abscesses can be accompanied by swelling around the area and cause a fever. Lobular breast cancer (also called invasive lobular carcinoma) is a type of breast cancer that begins in the milk-producing glands (lobules) of the breast. It is the second most common type of breast cancer, accounting for about 10% to 15% of all invasive breast cancers. Cancer of the breast ducts (called invasive ductal carcinoma) is the most common type of invasive breast cancer, accounting for 65% to 85% of all invasive breast .
Progesterone increases the number and size of lobules in preparation for breastfeeding. This hormone also enlarges blood vessels and breast cells after ovulation. You may experience swollen, tender breasts. What conditions and disorders affect breast anatomy? Breast cancer is the number one threat to breast health.