In advanced stage of lung cancer, if surgery is not possible, palliative radiotherapy, chemotherapy and other symptomatic treatments can be considered. If there is pneumonia or pain, you can apply anti-inflammatory and asthma treatment, cough and phlegm relief, pain medication and nutritional support, which are also part of conservative treatment. Advanced lung cancer depends on whether the specific pathological type is lung adenocarcinoma or lung squamous carcinoma. Generally speaking, radiotherapy is also effective, but sometimes the patient’s physical condition is poor and cannot tolerate the side effects of radiotherapy, so radiotherapy is not recommended in this case. In this case, radiotherapy is not recommended, but only nutritional support and conservative treatments such as cough suppression, phlegm reduction and wheezing can also relieve the patient’s symptoms. In addition, some of the lung adenocarcinomas have mutations in their genes and can be treated with targeted drugs. If it is effective, it can also prolong the survival period.