How effective is immunotherapy for lung cancer?

These medicines help immune cells identify and attack cancer. Benefit may appear as tumour shrinkage, slower growth, fewer symptoms or a longer period without progression. The response is not identical for everyone. The pathology report may include biomarkers that help the team choose immunotherapy, chemotherapy, targeted treatment or a combination. Smoking history, lung function, other illnesses and medicines can also affect the plan.

Scans are compared with earlier images, while the team also checks breathing, pain, weight, energy and blood tests. Occasionally inflammation makes a scan look worse before the treatment effect is clear, so the oncologist interprets imaging alongside the full clinical picture.

Ask whether the biopsy has been tested for relevant biomarkers and whether the proposed schedule is before or after another treatment. Share details of lung disease, oxygen use, autoimmune conditions, previous radiotherapy and every medicine or supplement. Report a new cough, worsening breathlessness, chest pain, fever, diarrhoea, rash or unusual tiredness promptly, because immune treatment can inflame the lungs or other organs.

Get emergency help for severe or rapidly worsening breathlessness, blue lips, confusion, fainting, severe chest pain or coughing blood. Call the cancer team urgently for a new persistent cough, fever, repeated diarrhoea, severe weakness, yellow eyes or a widespread rash. These symptoms can have several causes, and early assessment helps the team decide whether treatment should be paused and what care is needed.

What type of lung cancer do I have, and which biomarkers were found? Is immunotherapy being offered alone or with another treatment? How will you measure benefit and when will scans be repeated? Could my lung condition or autoimmune history change the risks? Which breathing changes require emergency help rather than a routine appointment?