“Swelling can develop quickly or slowly. However, an early symptom may be facial or eye swelling first thing in the morning.
“If you have explained swelling that doesn’t go away on its own then you should talk with your doctor.”
Lung cancer was listed by the Less Survivable Cancers Taskforce as one of the less survivable forms of the disease earlier this month, alongside cancer of the liver, brain oesophageal, pancreatic and stomach.
What’s more, these cancers, make up half of all common cancer deaths in the UK.