Hey! I had 450cc and I had tubular breasts too so we’re literally the same! I’m currently 10DPO. Mine definitely feel rounder and suit my shape more! I was an empty 36A before, I’m 5’7 and a clothes size 12-14.
A heads up, because I didn’t realise this pre surgery – depending on how your boobs are now you might not look like other girls when you’re recovering. I had very small tubular boobs so I had no crease underneath my boobs and no roundness at all. I woke up and SOBBED because I thought that they looked like cones, and I’m 10 days in and they still don’t look like “normal” boobs, because the skin under my boobs needs time to develop when the implant drops in. My surgeon has said they may not ever look like that but I’m happy because anything is better than what I had before! but don’t panic if they don’t look like you think they should immediately! I’ll attach photos, mine change daily 🙂