Pretty In Florals

This is a new floral top I purchased from JCPenney before I left for my Myrtle Beach Vacation. I saw it on their website and thought it was perfect for my body type. However, I ordered my usual size Medium and I feel it's a little too big in the stomach area. I already cut the tags off so I can't return it. I looked at the construction of the top and I think I can open up the seems and cut the extra fabric out and make it a little smaller. When I will do that, I have no idea as spring garden season is here and I am super busy. So I might just wear it as is. What do you think? Fix it or leave it? The top is by Liz Claiborne (my favorite JCP designer). I...