Aching breasts are often nothing to worry about, but some specific types of pain and inflammation can be early indicators of inflammatory breast cancer (IBC), a rare and aggressive form of breast cancer that tends to develop quickly, sometimes in just a few weeks or months. Redness, swelling, tenderness, and changes to the skin of the breast are the most common early symptoms of this cancer, and in this video, Dr. Marissa Weiss offers some professional advice about recognizing these warning signs.