Anne fontaine, new with tags, ENAIS sleeveless blouse, pink, scoopneck size 40

Anne fontaine, new with tags, scoop neck, sleeveless blouse Pink, pleated accents, sleeveless with scoop neck, belt with Rose appliqué, bust 30.5, waste 25.5, length 25.5 fabric 79% viscose 21% polyamide Size 40, which is equivalent of USA eight or medium I bought it from RealReal, which had it listed as a size small which it is not it is a medium!