For those with very narrow ribcage? Chest pain? What size did you get?? ㅠㅠㅠ

I have the perfect lower body obesity type. It also has shoulders, so I made it a little bigger. Since my butt and thighs are chubby, I thought that even if my breasts were a little bigger, they would just say that I was chubby. But... I guess the surgery was wrong and my breasts are on the side too. ㅠㅠㅠ I think I put size 250 in it? Looking at the post here, it doesn't seem like I put it too big... I'm 164/50 cm tall and my bust circumference is about 67. Don't those who are thin usually have that level of chest pain? How many seeds did you put in? I'll post a photo if you request it, but I'm not sure.