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.
How to Add a Bust Dart to a Dartless Pattern, Blog
darts – Sew Busty Community
MICHELLE // Full Bust Adjustment (FBA) (on a Dartless Tank) – Jalie
How to Add a Bust Dart to a Dartless Pattern
Bust Adjustments on a dartless knit bodice – Threads by Caroline
How to Do a Bust Adjustment - Melly Sews
How to Add a Bust Dart to a Dartless Pattern, Blog
Dartless FBA for Knits – Do You Need One & What's the Best Method?
How to do a Full Bust Adjustment (FBA) on a Dartless Pattern
A tutorial: How to add dart shaping — In the Folds
Add a Bust Dart - Threads
Full Bust Adjustment Part 1 - Dartless Bodice - The Assembly Line Sewing Journal