Sandro overcoat

I purchased this pristine overcoat from the Real Real but it is much smaller than anticipated. The size 38 medium but it’s closer to a 36 or small. Nothing is wrong with it but it was final sale so I can’t get a refund. I will include the dust bag it came in. Here is the description on TRR Sandro Overcoat • Black • Deconstructed Lining • Slit Pockets Fit: Outerwear by Sandro typically fits small, consider taking a size up. Length: 44.25" Shoulder: 16" Sleeve: 28.25" Chest: 43" Fabric: 100% Triacetate; Pockets/Pocket Lining 100% Cotton Color: Black Clothing Size: M Foreign Size: US 38