If your bust is larger than a B cup, you might want to make adjustments to some patterns to add a bust dart in order to help get a better fit. This tutorial shows you how to do it.
FBA: Adding Darts to a Dartless Top – Fancy Tiger Crafts Co-op
How to Add a Bust Dart to a Dartless Pattern, Blog
Tilly and the Buttons: Full Bust Adjustment on a Dartless Bodice
How to do a Full Bust Adjustment (FBA) on a Dartless Pattern
Tilly and the Buttons: Full Bust Adjustment on a Dartless Bodice
Small Bust Adjustment for Dart-less Patterns - Pattern Niche
Advanced Pattern Making Techniques: Adding a dart to a dartless pattern (full bust adjustment)
DART ADJUSTMENT
How to do a Full Bust Adjustment on a Dartless Shirt – Paprika Patterns
How to Do a Small Bust Adjustment
FBA: Adding Darts to a Dartless Top – Fancy Tiger Crafts Co-op