There are several different types of lungs problems but all affect lung function to some degree. This means that the movement of air through the lungs and the exchange of gases are impaire to some degree. As a result, there are many common symptoms in most of these lungs conditions, whether it is an infection like pneumonia or lung cancer. The outlook for these conditions can be drastically improved with early treatment. Therefore it is important to identify these signs and symptoms and seek medical attention as soon as possible.