You should confirm the diagnosis first
Nowadays, many target therapy are there for lung cancer, which do not have any side-effect and improves the care and survival significantly. You should evaluate those and then take a call whether you want to go for only Palliative Care.
Next Steps
BIOPSY, NGS, PET CT
Health Tips
mane sure you are mot missing on EGFR ALK MET mutated lung cancer, which are very easily treated with oral tablets. Cancer does not necessarily mean chemotherapy