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.