Nasal polyps are benign swellings of the nasal mucosa. They usually occur in one of the paranasal sinuses. The polyps then descend into the nasal cavity and give rise to symptoms there.
The main symptoms are nasal congestion, regularly feeling cold and reduced smell and taste. It appears that a disease of the upper airways (at the nose and paranasal sinuses) can adversely affect the functioning of the lower airways (lungs), especially in asthma or chronic bronchitis.
Your doctor will discuss the treatment options with you.