shoulder pain and lung cancer :: Article Creator Lung Cancer Symptom That Appears In The Shoulder And Shouldn't Be Ignored Lung cancer often doesn't have symptoms in the early stages, but as the cancer grows, it can cause a wide range of warning signs Many people may not be aware of this symptom(Kinga Krzeminska via Getty Images) Lung cancer is often only detected once it has spread, making it particularly dangerous. Each year, almost 50,000 people are diagnosed with lung cancer, the majority of whom are over 60 and/or smokers. However, the disease can also be caused by second-hand smoke, radiation, and exposure to substances like asbestos, chromium, and nickel compounds. The most common form of lung cancer affects the airways leading into the lungs, causing symptoms such as shortness of breath, wheezing, and a persistent cough that may produce blood or phlegm. While these symptoms can also be caused by other conditions, main...