Hidden pain in the right upper chest below the clavicle may be due to trauma, costal neuritis and lung malignant tumor. 1. Trauma: when the patient’s right upper chest below the clavicle is hit by external forces or blows, it may cause soft tissue damage in the area, resulting in the symptoms of right upper chest below the clavicle, and some patients will also be accompanied by localized edema and congestion. 2. Costal neuritis: the pain in this area may also be due to intercostal neuritis, this disease belongs to the aseptic inflammation of the intercostal nerve, under the repeated stimulation of inflammation, it will cause the patient to have pain in the rib area. 3. Malignant tumors of the lungs: when malignant tumors of the lungs invade the ribs or the pleura, they can also cause symptoms of hidden pain in the right upper chest below the clavicle, and some patients will also be accompanied by coughing and hemoptysis and other symptoms. If the pain in the lower part of the right upper clavicle exists for a long time, you should consult a doctor in time.