Most people who get lung cancer smoke or have smoked cigarettes.
Exposure to second-hand smoke – even people who do not smoke can develop lung cancer from cigarette smoke.
Environmental factors – a person’s risk of developing lung cancer is increased by exposure in the home or in the workplace to harmful substances such as asbestos.
symptom of lung cancer.
Symptoms are not always evident during the early stages of the disease.
Symptoms are varied and can include, for example: a persistent cough, pain, coughing up blood, shortness of breath
or hoarseness.
More frequently, lung cancer is detected after a growing tumour causes symptoms to appear. Sometimes the first
symptom of lung cancer is a symptom from a metastasis, for example: bone pain.