There are different symptoms which direct towards the possibility of lung cancer. Once symptoms show the possibility of lung cancer, further it can be verified through x-rays, CT scan and lab tests. Another possibility in that someone gets his x-ray done for some reason and lung cancer also shows up in it.
The symptoms can be:
• coughing up blood
• change in regular coughing pattern
• chronic coughing
• wheezing
• chest pain
• Abdomen pain
• Abnormal loss of weight
• Difficulty while swallowing