Patagonia Down Sweater Jacket XL Light Blue Yellow Womens Zip Up FLAWED READ

Patagonia Down Sweater Jacket XL Light Blue Yellow Womens Zip Up FLAWED READ There are 4 stains on the BACK of the jacket. I suspect it is oil. The largest one is in the middle back. The other 3 are smaller. 2 stains to the right of the bigger stain and one to the left. Please see the last 4 photos. NO staining on the front! No rips or tears. Measurements are shown in photos. Peace.