This pattern also includes instructions to knit the top with a lace panel down the front (separate Ravelry entry here).

Sizes (by UK dress size):
10 - to fit bust 32”/81cm
12 - to fit bust 34”/86cm
14 - to fit bust 36”/91cm
16 - to fit bust 38”/97cm
18 - to fit bust 40”/102cm
20 - to fit bust 42”/107cm