I just had 420cc unders and had the small Macom, it was horrendous for me for the first week, I ended up buying an £8 sports bra from Asda which was a 36D and a 36E because I was so swollen. Now the swelling has lessened the macom one is great in the day but for sleeping it’s still too tight. I was a 30/32C pre surgery and I’m a size 6/8.