1. Lung shape is normal.
2. The number of alveoli is normal.
3. There are no black spots in the lungs.
4. The walls of the lungs and alveoli are normal and strong.
5. Normal cilia are present in the lining of the lungs.
6. X-ray film of lungs is black and all areas are clear and clear.
7. No spaces or emphysema are seen in the lungs.
8. There are no secondary growths like cancer and tumors.