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Published on: 8/18/2026
Changes in a child's chest shape, such as a sunken breastbone (pectus excavatum), a protruding one (pectus carinatum), rib flaring, or one-sided asymmetry, are often noticed during growth spurts, and the questions parents ask can shape how quickly the cause is identified. Useful things to ask include when the change began, whether it is worsening as the child grows, whether there is shortness of breath, exercise intolerance, chest pain, or a heart murmur, whether there is a family history of chest wall or connective tissue conditions, and whether imaging, cardiology review, bracing, a vacuum bell, or surgery should be considered and at what age. Timing matters, because some options work best before growth is complete, and several factors influence urgency and next steps, so see below to understand more.
Because chest wall differences can be purely cosmetic in some children and a sign of an underlying heart, lung, or connective tissue issue in others, it helps to organize symptoms clearly before an appointment. Take a free, instant, online symptom check to better understand what may be going on and to walk into that visit knowing which questions to prioritize.
Last reviewed for medical accuracy: 08/18/2026
Children’s bodies grow and change in many ways. Occasional bumps, curves or dips in the chest area can be part of normal development. In some cases, however, these changes may signal a child rib cage deformity that requires attention. This guide explains common chest shape variations, when to worry, key questions to ask your healthcare provider and next steps for evaluation and care.
Pectus Excavatum (Sunken Chest)
Pectus Carinatum (Pigeon Chest)
Scoliosis and Rib Cage Asymmetry
Other Variations
Most chest shape changes are harmless and require only observation. Consider talking with a healthcare provider if your child has:
Early evaluation helps rule out serious problems and gives your child confidence in their health and appearance.
When you notice chest shape changes, it’s easy to feel unprepared. Use these questions to guide your conversation:
What could be causing my child’s chest shape change?
Is any testing needed?
Will this affect my child’s health or development?
What treatment options are available?
What are the risks and benefits of each treatment?
How often should we follow up?
Are there support resources?
Physical Exam
Imaging Studies
Pulmonary Function Tests
Cardiac Evaluation
Treatment depends on the type and severity of the child rib cage deformity, plus how it affects your child’s health and quality of life.
Non-Surgical Options:
Surgical Options:
Discuss with your doctor which option best fits your child’s age, deformity severity and overall health status.
Chest shape differences can affect a child’s confidence. To help them cope:
Though rare, some deformities can lead to serious problems. Contact a doctor or go to the ER if your child experiences:
You know your child best—trust your instincts and ask for help if something feels wrong.
If you’re unsure about your child’s symptoms, you might consider doing a free, online symptom check, using the doctor approved Ubie Symptom Checker. It can help you decide how urgent the next steps should be.
Chest shape changes in children are often manageable with early detection and the right care plan. By asking the right questions and working closely with your child’s healthcare team, you can ensure the best possible outcome.
Speak to a doctor about anything that could be life-threatening or serious. Early evaluation and treatment help children stay healthy, active and confident.
(References)
* Ellis DG. Chest wall deformities. Pediatr Rev. 1989 Nov;11(5):147-51. doi: 10.1542/pir.11-5-147. PMID: 2678052.
* Golladay ES, Golladay GJ. Chest wall deformities. Indian J Pediatr. 1997 May-Jun;64(3):339-50. doi: 10.1007/BF02845203. PMID: 10771855.
* Coelho Mde S, Guimarães Pde S. Pectus carinatum. J Bras Pneumol. 2007 Jul-Aug;33(4):463-74. doi: 10.1590/s1806-37132007000400017. PMID: 17982540.
* Heinemann MK. The Thoracic and Cardiovascular Surgeon. Letter from the editor. Thorac Cardiovasc Surg. 2011 Feb;59(1):1-2. doi: 10.1055/s-0030-1250611. Epub 2011 Jan 17. PMID: 21243563.
* Campo-Cañaveral de la Cruz JL, Herrero Collantes J, Sánchez Lorente D, Torres Lanzas J. [Chest wall surgery]. Arch Bronconeumol. 2011;47 Suppl 3:15-24. doi: 10.1016/S0300-2896(11)70024-2. PMID: 21640288.
* Cobben JM, Oostra RJ, van Dijk FS. Pectus excavatum and carinatum. Eur J Med Genet. 2014 Aug;57(8):414-7. doi: 10.1016/j.ejmg.2014.04.017. Epub 2014 May 10. PMID: 24821303.
* Freeman RK. Pulmonem et pectus. J Thorac Cardiovasc Surg. 2018 May;155(5):2148-2149. doi: 10.1016/j.jtcvs.2018.02.040. Epub 2018 Feb 23. PMID: 29653661.
* Notrica DM, Martinez-Ferro M. Preface. Semin Pediatr Surg. 2018 Jun;27(3):121. doi: 10.1053/j.sempedsurg.2018.05.011. Epub 2018 May 30. PMID: 30078481.
* Ridley LJ, Han J, Ridley WE, Xiang H. Pectus carinatum: Chest deformity. J Med Imaging Radiat Oncol. 2018 Oct;62 Suppl 1:147. doi: 10.1111/1754-9485.22_12786. PMID: 30309076.
* Notrica DM, McMahon LE, Jaroszewski DE. Pectus Disorders: Excavatum, Carinatum and Arcuatum. Adv Pediatr. 2024 Aug;71(1):181-194. doi: 10.1016/j.yapd.2024.05.001. PMID: 38944483.
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