https://www.healthline.com/health/pain-under-left-breast

Oct 5, 2017 ... The left side of the body houses a number of vital organs. Under and around the left breastbone are the heart, spleen, stomach, pancreas, and ...

https://www.mayoclinic.org/diseases-conditions/pericarditis/symptoms-causes/syc-20352510

Mar 6, 2018 ... If you have acute pericarditis, the most common symptom is sharp, stabbing chest pain behind the breastbone or in the left side of your chest.

https://www.mayoclinic.org/diseases-conditions/costochondritis/symptoms-causes/syc-20371175

May 15, 2018 ... Costochondritis is sometimes known as chest wall pain, costosternal ... Occurs on the left side of your breastbone; Is sharp, aching or pressure- ...

https://www.medicalnewstoday.com/articles/320185.php

Nov 29, 2017 ... Pain felt just behind or below the sternum is called substernal pain and is ... sharp pain on the side of the sternum area; pain that worsens with a deep ... Costochondritis is a condition where the cartilage in the breastbone ...

https://www.emedicinehealth.com/costochondritis/article_em.htm

... of the ribs' junctions to the breastbone or sternum that causes chest pain. ... Persistent chest pain of any type associated with nausea, sweating, left arm pain,  ...

https://www.emedicinehealth.com/pancreatitis/viewer-comments_em-960.htm

I started having really sharp pains directly below my breasts and I also began ... the pain in my upper left side became so bad it caused me to violently vomit.

https://www.webmd.com/pain-management/costochondritis

Feb 28, 2018 ... Costochondritis is a painful condition caused by inflammation in the chest area. It can feel ... of the junctions where the upper ribs join with the cartilage that holds them to the breastbone, or sternum. ... Continue Reading Below ... It may radiate to your back or abdomen and is more common on your left side.

https://kidshealth.org/en/parents/costochondritis.html

It's one of the most common causes of chest pain in kids and teens, with girls having it more ... A sharp pain is usually felt on the left side of the breastbone, but it's possible to feel it on ... It also feels as if it's coming from under the breastbone.

https://www.health.harvard.edu/diseases-and-conditions/other-conditions-may-be-causes-of-chest-pain

Feb 6, 2019 ... Gallbladder pain is usually felt just below the breastbone and may extend to ... stabbing pain in the center or left side of the chest that worsens ...

https://blog.prepscholar.com/pain-under-left-breast

May 1, 2017 ... Kind of Chest Pain: Typically a sharp, stabbing chest pain on the left side under the breastbone or on the left side of the chest, but can also ...