Whistling and wheezing. The presence of whistling and wheezing in the airways we used to take as a cold that, according to the guesses of smokers, results from their unhealthy habit. But the case maybe not connected with a cold or smoking the matter is a likeliness of existence of cancer’s symptoms. So if a person is disturbed by whistling and wheezing in his lungs more than one week, it is very recommended to visit a doctor.

Phlegm with blood. A cough with blood is a dangerous condition that may indicate an internal bleeding. Mucus is called a substance that is released during coughing. Sputum contains a secret of bronchial glands, dust particles, and microbes. If in the sputum there are streaks of reddish-pink color, then it has got blood. Sometimes the reason for this is the rupture of a small blood deferent in the lungs – in this case, such event does not pose a significant threat to health. But perhaps, the blood in the sputum signals about infectious processes in the lungs (including lung cancer). If there is such sign more than one week, it is better to consult a doctor as soon as possible.

Raspy and hoarse voice. If you observe hoarseness in voice for a long time, you should pay attention to such sign. Of course, this may be either a simple cold or some easy infection, but also a hoarse voice can be a signal to the occurrence of lung cancer. Continuous hoarseness in the voice can lead to inflammation and irritation of the vocal cords, and obstruct the process of swallowing food.

Headaches. Almost every person gets to know what a headache is, and the existence of headaches is quite a usual thing among people who suffer from certain diseases. If a person started to feel some specific ache in his with changing of its intensity and power, that could be a significant sign of having a serious illness in the organism such as lung cancer. Do not ignore the doctor’s help if you are suffered from such symptoms.