Lung cancer is a major cause of death worldwide, mainly from the uncontrolled growth of cells in the lungs. According to experts, the lung cancer does not always show clear indication or symptoms until it becomes advanced.

And so, a cough that does not cause far or shortness without any reason, there are some more common symptoms that you can hear. However, there are some amazing signs.

How is shoulder pain a sign of lung cancer?

Doctors say that in some cases a specific place of lung cancer tumors also appears as pain in the shoulders and neck area. This occurs when the tumor puts pressure on the nearby nerve or if the lung cancer spreads inside or around the bones. This can be easily remembered because shoulder pain is usually not associated with a deadly condition like cancer and is mostly blamed on poor currency.

Doctors say that if you are experiencing shoulder pain, the tumor may develop on the top of your bone and should increase pressure on the nerves and blood vessels going to the hand, causing pain and weakness in the hand, neck area or shoulder. It is often accompanied by a persistent pin and sensation of needles.

In addition to causing pain or weakness in your arms, shoulders and chest, tumors can also disrupt blood flow on the head, causing swelling on your face.

What are the first signs of lung cancer?

A cough or pneumonia that continues to come back after treatment can sometimes be an initial sign of lung cancer, even if doctors say it can also be a sign of less serious conditions. The most common signs of lung cancer include a persistent or deteriorating cough, shortness of breath, chest pain, rage, or unexplained weight loss.

Depending on where cancer in your lungs start, some of these symptoms may occur quickly, but most often they do not occur until the cancer moves forward in later stages. And so, if you are at high risk, it is important to screen for lung cancer.

What is the cause of lung cancer, and what are risk factors?

Lung cancer is caused by cells that are divided or mutated. While the cell division is a common process, all cells have an underlying switch that prevents them from dividing more cells or causes them to die when necessary. When a cell is divided several times or too much mutation occurs, the off switch is trigger.

Cancer cells can be found in your lymph nodes and can go to other places in your body, which can cause damage. Experts estimate that 80 percent of deaths from lung cancer are related to smoking. Other risk factors include:

• Second hand exposure to tobacco smoke
• Equilia
• For breast cancer or lymphoma, such as previous radiation treatment in your chest
• Family history of lung cancer

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