265cc advice - too small/too fake?

Hello, I am getting a breast enlargement in 3 weeks! Very excited. However, bit confused if the size im getting is the best? My surgeon seemed very confident but wouldnt go bigger because he said they will look too fake (2 missiles if i went to 310cc as he said). I am 172cm in height, 62kg in weight, I am a small 34A. My BWD was 11cm and i am having Allergan Naturelle 265cc TRF (TruForm-Responsive-Full projection) on top of muscle. Do you think this will bring me to a small D cup?

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