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Lung cancer is the most diagnosed and deadliest cancer worldwide, with 2.2 million cases in 2020 resulting in 1.8 million deaths. [3] Lung cancer is rare in those younger than 40; the average age at diagnosis is 70 years, and the average age at death 72. [2] Incidence and outcomes vary widely across the world, depending on patterns of tobacco use.
Another warning sign of lung cancer is chest infections that keep coming back, the NHS says. The symptom was highlighted by Tracy Bourne, a 59-year-old from Stoke-on-Trent who first noticed a ...
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process. [5]
The symptoms that the patient exhibits usually reflect the extent of the cancer's spread. Lung cancers that are discovered early may cause symptoms localized to the respiratory system. However, lung cancer that is advanced will cause patients to experience additional signs and symptoms secondary to the cancer spreading to other organ systems. [5]
Lung cancer typically has few symptoms early on. By the time individuals notice something is wrong, their cancer is usually at an advanced stage. Back pain and other unusual signs of lung cancer
Lung cancer in non-smokers is increasing “on a relative basis,” as the number of people who smoke has decreased, says Dr. William Dahut, chief scientific officer at the American Cancer Society.
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