Lung cancer is one of the most common cancers to be diagnosed in the UK, warned the NHS.
Around 45,000 people are diagnosed with lung cancer in the UK every year.
Signs of the disease only tend to reveal themselves once the cancer has spread through the lungs.
You may be at risk of lung cancer if your eyelids become unusually droopy.
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“Common symptoms for lung cancer include cough that persists for more than three weeks, coughing up blood, worsening shortness of breath, chest pain, weight loss,” said Professor George Santis, a consultant at London Bridge Hospital, part of HCA Healthcare UK.
“Sometimes, patients present with symptoms from metastatic disease; these include headaches, fits, bone pain or skin lamps.
“Patients who develop lung cancer often have other lung problems such as bronchitis; therefore, in these patients, change in their condition is important.
“In some cases, lung tumours can cause neurological symptoms by compressing nerves. This can lead to a drooping eyelid or reduced facial sweating – symptoms many people are surprised can be related to lung cancer.”