Mostly observed in those above 65 years, lung cancer starts from the small air sacs (alveoli) or the airways (bronchi or bronchioles). Its symptoms are not apparent in the early stages and are only diagnosed in the advanced stages. Being aware of the signs can help in seeking early diagnosis and treatment. Here’s all an individual needs to know about silent signs of lung cancer, its diagnosis, and various treatment options. Signs and symptoms of lung cancer The signs of lung cancer are often similar to that of other health disorders related to the lungs. So it becomes difficult to get a proper diagnosis in the early stages. However, it is best to take preventive measures and consult a doctor whenever these symptoms appear and do not go away for a long time. Persistent cough and hoarseness that does not go away Trouble breathing or shortness of breath Discomfort or pain in the chest Frequent instances of wheezing Coughing up blood Chronic fatigue or extreme tiredness that doesn’t improve even after resting Gradual changes in eating habits due to appetite loss, difficulty swallowing, abdomen pain, vomiting, or nausea Sudden formation of lumps or swelling anywhere in the body Chronic pain that is recent and caused due to unknown reason Changes in texture and color of skin where lumps have formed.