Digestive 
Blood
Cardiovascular
Dermatology
Genitourinary,
Hormones
Infections
Oncology and
Musculo-skeletal
Mental health and
Parasites
Respiratory
Senses
Various
Lung cancer produces no symptoms in the early stage. When it spreads, the most common symptoms that are presented are:
- Cough.
- Shortness of breath.
- Chest pain.
- Coughing up blood.
- Hoarseness.
- Frequent lung infections.
- Feeling tired.
- Weight loss for no apparent reason.
