Small nodular foci in the right middle lung may be the result of CT examination, suggesting the presence of small nodular lesions in the middle lobe of the right lung, which may be caused by chronic inflammation, lung tumors and other reasons. 1. Chronic inflammation: as the bronchial tubes in the middle lobe are narrow and prone to inflammation, which often results in inflammation and the formation of nodular foci, small nodular foci in the right middle lung may appear in CT examination, and there may be fever, shortness of breath, coughing, chest pain and other symptoms. 2. Lung tumor: CT examination result of tumor originated in lung may show small nodular foci in the right middle lung, and symptoms such as coughing, coughing up sputum, blood in sputum, hemoptysis, chest pain, chest tightness, dyspnea, etc. may occur. Therefore, patients with small nodular foci in the right middle lung on CT examination results should go to the hospital as soon as possible and receive standardized treatment under the guidance of the doctor.