Yes: The breast normally extends to the clavicle (bone from shoulder to chest) and into the anterior axilla (armpit) laterally.
Answered 6/1/2017
6.1k views
Common: Breast tissue normally extends into the lower armpit--we call it the axillary tail of spence. Like any breast tissue, this is hormonally-responsive and can get quite prominent during pregnancy.
Answered 3/27/2016
5.5k views
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