10 Symptoms of Non-Small Cell Lung Cancer

Fatigue and weakness. Constant tiredness is one of the most common but overlooked symptoms of NSCLC. Cancer consumes the body’s energy and can lower oxygen levels, leaving patients exhausted even after rest. Weakness may affect daily activities, making it harder to concentrate, exercise, or perform routine tasks.

If fatigue continues without clear cause, it may be connected to NSCLC.