Nodules in the right hemidiaphragm angle area may be inflammation, primary liver cancer, lung nodules, etc. 1. Inflammation: when there are inflammatory changes in the right diaphragm angle area, nodules in the right diaphragm angle area may appear in CT examination, which are benign lesions and usually not serious. 2. Primary hepatocellular carcinoma: primary hepatocellular carcinoma usually does not show any symptom in the early stage, but with the development of the disease, the patient will have symptoms such as pain in the liver area, weakness of the limbs, loss of appetite, etc. Nodules in the right angular region of the heart diaphragm may be seen when CT examination is done. 3. Lung nodules: nodules in the right hemidiaphragm angle area may be small nodules in the lungs. Nodules in the lungs may be tuberculosis balls, or tumors and other lung lesions. Once the right side of the heart diaphragm angle area nodules, must timely cooperate with the doctor treatment, usually pay attention to rest, do not exercise too much.