Symptoms of lung cancer

Lung cancer cannot detect so easily. Generally, it detected when people go through chest X ray for some other reason.
There are many symptoms of lung cancer.
Chest pain is very common symptom of lung cancer. About 25% people who are suffering from lung cancer complain about chest pain.
Suffering from cough for long time is another symptom of lung cancer.
Some time there is bloodstain in sputum.
Difficulty or pain in breathing is also a symptom of lung cancer.
Shortening of breath is another symptom, which caused due to blockage of air passage. The air passage blocks due to two common reasons.
1. The air passage is blocked as liquid accumulate in pleura. This is also known as pleural effusion.
2. Due to growth of tumor, the passage is blocked.
3. Loss of appetite, fatigue and weight loss are other symptoms.
Finger clubbing
There is another very rare symptom of lung cancer, which is known as finger clubbing in which the shape of finger and fingernail changes. Finger Clubbing occurs in case of advance stage of disease. About 35% people with non small cell lung cancer found to have Finger clubbing but in contrast only 4% people suffering from small cell lung cancer have Finger clubbing.In Finger clubbing the nail curves and the tips of the fingers become large. It is also known as drumstick fingers.