The right subcostal swelling is fine after taking ultrasound, which means there is no organic lesion, and the main causes of corresponding symptoms include costochondritis, intercostal neuropathy, pleurisy, neurosis and so on. 1. Costal chondritis: Some pathogenic infections lead to costal chondritis, which does not cause abnormalities in the surrounding tissues at an early stage, and causes corresponding symptoms, but ultrasound examination is not abnormal. 2. Intercostal neuropathy: the most common is intercostal neuralgia and injury, which cannot be detected by ultrasonography and may cause corresponding conditions. 3. Pleurisy: Pleurisy can cause repeated stimulation of the pleura, which can also lead to corresponding conditions. 4. Neurosis: It is a kind of somatization symptom which is not accompanied by organic lesions but only caused by mental tension and anxiety. The right side of the subcostal swelling, ultrasound examination is not a problem, you can first regular review, once the local tissue swelling, and then timely medical observation, under the guidance of clinicians for standardized treatment.