From cysts to fibroadenomas, Dr. Shilpy Dolas explains the most common reasons behind breast lumps in women. · Breast Cysts: Fluid-filled sacs that can feel round and tender, often changing size around your monthly period. · Fibroadenomas: Solid, smooth, rubbery tumors that move easily under the skin and are common in younger adults. · Fibrocystic Changes: Hormonal shifts that create areas of lumpy, ropelike, or full tissue that may ache. · Infections and Abscesses: Pockets of pus or inflammation, such as mastitis, often linked to breastfeeding, pain, and red skin. · Fat Necrosis: Firm scar tissue that forms after a physical injury or surgery to the breast