Normal lung sounds occur in all parts of the chest area, including above the collarbones and as low as the bottom of the rib cage.
Update Date 5/13/2013
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.