Just Cavalli Black Ruffle Floral Tie Front Top Med

Just Cavalli Black Ruffle Floral Tie Front Top Medium Black floral print top with cream, yellow, red, lavender, cream and orange. Black ruffles over shoulders and down the front. Excellent condition, no known stains or holes. Measures approx (flat) chest 18 in, length 28 in. Tag says size 42, which converts to a medium/large I believe, please compare measurements.