Radiation therapy for lung cancer

Radiation can be used as the main local treatment, alongside drug treatment, after surgery, or to ease problems caused by a tumour. The team may target the lung, nearby lymph nodes, or another area such as bone or the brain. A planning scan shows breathing movement and helps shape the treatment field. Some plans use a small number of highly focused visits; others spread treatment over more visits.

Common effects can include tiredness, skin irritation over the treated area, cough or discomfort when swallowing if the chest or oesophagus is nearby. Breathlessness, fever or worsening chest pain should be reported promptly because they may need assessment.

Tell your team about breathlessness, oxygen use, implanted devices, previous radiation and all medicines. Ask whether you should continue inhalers and how to manage eating or drinking if swallowing becomes sore. Keep appointments and follow the skin-care instructions provided. Rest when needed, stay gently active if able, and avoid smoking or smoke exposure because it can irritate the airways and make recovery harder.

Seek urgent medical help for sudden or severe breathlessness, blue or grey lips, coughing blood, chest pain that is severe or new, fainting, confusion or a high fever. Contact the treatment team promptly for a cough that is rapidly worsening, new wheeze, trouble swallowing fluids or symptoms that make daily activities difficult.

Ask what the radiation is intended to achieve, which areas will be included, how breathing is managed during planning, how many visits are expected, and whether chemotherapy, immunotherapy or another treatment will be combined with it. Ask which symptoms should trigger an urgent call.