What types of breast cancer cause thick skin?

Could be: Any type of an invasive breast cancer such as ductal or loblular carcinoma that can cause skin edema. Marked red skin swelling can also be seen in the rare form of inflammatory breast cancer.

Inflammatory: Inflammatory breast carcinoma can cause rednes, swelling and thickening of the breast skin. Other types of breast cancer may also invade the subcutaneous or dermal tissue resulting in thickening of the skin. There are also noncancerous causes for skin thickening. Definitely breast evaluation by a breast care specialist is advisable..