Quite frankly, you're lucky. Why? Because if it only affects your torso, it will be covered up most of the time anyway. By the time you get to the point where shirts are coming off, she should be wanting you BAD. You'll already have made such a strong connection that she's not going to care about some skin thing.
So what if you're meeting women at the beach? Easy. Don't give a shit about it. If anyone else does, don't give a shit about them. [If someone takes issue with the way God made me, then they can talk to the guy upstairs

]
Honestly, the only reason it will matter is if you think it matters.
I know this from experience (upper body scars).