The organs below the right breast are mainly the liver and gallbladder, which is the right upper abdomen. If the right upper abdomen becomes dull and uncomfortable, you should promptly go to the hospital for a detailed examination. In particular, liver and gallbladder ultrasound and liver function should be checked briefly, as pain in this area is often associated with chronic hepatitis as well as cholecystitis and gallbladder stones. Older people with pain in this area need to be cautious about the possibility of liver cancer and bile duct stones inside and outside the liver. In young people, pain under the right breast needs to be ruled out as being related to mastopexy. This is because women with stronger breast enlargement may also experience dull pain and discomfort in this area. If the pain increases after eating fatty food, it is usually related to gallbladder stones and cholecystitis, so you need to pay attention to proper exercise and a light diet.