Have you got a swollen face? Swelling here could be a sign of this killer disease

There are usually no symptoms in the early stages of lung cancer, according to the NHS. 

But as the condition develops, a persistent cough, coughing up blood, persistent breathlessness, unexplained tiredness and weight loss, and an ache or pain when breathing or coughing are the usual signs. 

One symptom people may not recognise as being linked to lung cancer is swelling in the face. 

But why does this happen? 

Swelling in the face can be a result of a superior vena cava obstruction. 

The superior vena cava is a large vein in the chest which carries blood from the upper half of the body into the heart. 

And a superior vena cava obstruction happens when something blocks this blood flow, explains Macmillan. 

The British charity adds on its website: “Superior vena cava obstruction is usually caused by lung cancer near to this vein. The cancer may be pressing on the been or it may have spread to the lymph nodes nearby, causing them to swell. 

“It can also be caused by a blood clot blocking the vein. This can happen if you’re having treatment through a central line.” 

How do you treat superior vena cava? 

Treatment may vary - a small tube can be put in the vein to keep it open, or radiotherapy or chemotherapy are also options. 

Lung cancer does not usually cause noticeable symptoms until it has spread through the lungs or to other parts of the body. 

This means the outlook for the condition is not as good as other types of cancer. 

The NHS says: “overall, about one in three people with the condition live for at least a year after they’re diagnosed and about one in 20 people live at least 10 years. 

“However, survival rates can vary widely, depending on how far the cancer ha spread at the time of diagnosis. Early diagnosis can make a big difference.” 

A persistent sore throat could be a sign of throat cancer, according to medicine manufacturer A.Vogel.

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