Male 68 years old, my father-in-law checks out lung cancer terminal, how should treat

The treatment of advanced lung cancer is generally based on chemotherapy, radiotherapy, immunotherapy and other comprehensive treatments. Local treatment is carried out for specific cancer cell metastasis sites, such as radiotherapy for bone metastasis, radiotherapy for superficial metastatic lymph nodes, etc.; symptomatic treatment is also needed, such as pain relief for patients with severe pain.