What should you know about stage one lung cancer?

Staging describes where the tumour is and whether it has reached nearby lymph nodes or distant organs. In stage one, scans and other tests do not show spread beyond the lung. The exact stage also depends on tumour size and the lung structures involved. A diagnosis can be found after a scan for another reason, or during assessment of symptoms such as a persistent cough or hoarse voice; a symptom alone does not establish cancer.

Your team may review tissue from a biopsy, imaging findings and your general health. These details help distinguish non-small-cell from small-cell lung cancer and identify whether an operation is suitable.

For a person who can have surgery, removal of the tumour with a section of lung, such as a lung lobectomy, may be discussed. Radiotherapy can be an option when surgery is not suitable or when a focused treatment approach is preferred. Some tumours are tested for molecular features through genomic tumour profiling, which can influence treatment decisions.

Bring your scan reports, medication list and breathing history to the consultation. Ask how much lung would be removed, whether pulmonary function testing is needed, and what recovery support is available. A specialist team can explain the balance between local treatment, side effects and follow-up.

Contact your cancer team promptly for worsening breathlessness, coughing up blood, chest pain, new confusion or a sudden change in voice. Seek emergency help for severe breathing difficulty, blue lips, collapse or chest pain that does not settle. These symptoms need assessment because they can have urgent causes, whether or not they are related to the cancer.

Which tests confirm the stage and tumour type? Is surgery, radiotherapy or another approach appropriate for me? Would genomic tumour profiling change the plan? What breathing changes should prompt a call, and how will follow-up scans be arranged?