Lung cancer treatment is not effective.

After drug resistance of targeted therapy for lung cancer, targeted drugs, chemotherapy, radiotherapy, immunotherapy or comprehensive treatment can be selected according to specific conditions. The treatment scheme needs to be individualized. Meanwhile, patients should actively cooperate and undergo regular reexamination. After drug resistance to targeted therapy for lung cancer, corresponding treatment methods need to be taken according to specific circumstances, including replacement of targeted drugs, chemotherapy, radiotherapy, immunotherapy, etc. The following are some possible treatment options: 1. Replacement of targeted drugs: If drug resistance is caused by gene mutation, consider replacing other targeted drugs for this gene mutation. 2. Chemotherapy: Chemotherapy is one of the commonly used treatments for lung cancer, which can be used alone or in combination with other treatments. 3. Radiotherapy: Radiotherapy can be used to locally control tumors and relieve symptoms such as pain and hemoptysis. 4. Immunotherapy: Immunotherapy is a new type of treatment that can attack tumor cells by activating the patient's own immune system. 5. Comprehensive treatment: According to the patient's specific situation, doctors may recommend a combination of treatment methods to improve the treatment effect. It should be noted that after targeted therapy for lung cancer resistance, treatment options need to be individualized. Doctors will comprehensively evaluate the patient's age, physical condition, tumor type, gene mutation and other factors to develop the most suitable treatment plan. At the same time, patients also need to actively cooperate with the treatment, maintain a good mentality, improve the quality of life. After the lung cancer targeted therapy resistance, patients need to seek medical attention in time, communicate with doctors, understand the treatment options and precautions. At the same time, patients can also consider participating in clinical trials to obtain the latest treatment methods and opportunities. In addition, patients need to pay attention to regular review, monitoring of tumor changes, and timely management of possible complications.