Is lung cancer contagious?
Disease description:
Many diseases are contagious, especially respiratory illnesses—for instance, tuberculosis is highly contagious. Lung cancer is the most severe type of lung disease; is it contagious?
Doctor's answer (1)
Dr. Cao Ting
Hello, lung cancer is not contagious. It primarily results from respiratory infections or external irritants affecting the patient. In general, all types of cancer are non-contagious—there is no need to worry about transmission. If multiple family members are diagnosed with lung cancer, it is highly likely due to shared exposure to a common carcinogenic environment. Long-term smoking is also a well-established risk factor for developing lung cancer. We hope this information is helpful to you. Wishing you a happy and healthy life!
