Peau d'orange skin refers to the abnormal appearance of the skin which resembles 'orange peel'. This skin finding is commonly associated with breast cancer. Peau d'orange skin occurs as a result of cutaneous lymphatic edema and consequent swelling. Reference: https://en.wikipedia.org/wiki/Peau_d%27orange#:~:text=Peau%20d'orange%20(French%20for,lymphatic%20edema%2C%20which%20causes%20swelling. Image via: https://www.msdmanuals.com/professional/multimedia/image/v44885154