Incomplete calcified nodules in the left upper lobe of the lungs may be caused by tuberculosis, lung cancer, bronchitis, etc. They can be treated with medicines and surgery, and the medicines should be used in accordance with the doctor’s prescription. 1. Tuberculosis: If the patient has tuberculosis for a long time, it may lead to incomplete calcified nodules in the lobes of the lungs, which can be treated with anti-tuberculosis drugs such as isoniazid tablets. 2. Lung cancer: Lung cancer may lead to calcification of local tissues, which can be treated by surgery, after which radiotherapy or chemotherapy can be chosen according to the condition, and chemotherapy drugs such as cisplatin can be used. 3. Bronchitis: it is mainly due to inflammation stimulating lung tissues, which leads to the symptom of calcification. Antibiotic treatment can be chosen according to the drug sensitivity test, such as cefdinir. Incomplete calcified nodules in the left upper lobe of the lung can also be seen in other diseases, and it is recommended that patients go to the regular hospital in time to avoid delaying the condition.