Polyps vary in size; they may be yellowish-brown or pink and are shaped like teardrops. As they grow, they eventually look similar to grapes on a stem. Nasal polyps usually develop in both nostrils.

This can lead to symptoms like ... nasal drip, headache, and pressure around your eyes, forehead, and cheeks. Chronic sinusitis can be caused by abnormal growths in the sinuses called nasal polyps ...

It is estimated that about 107 million people in China suffer from chronic sinusitis, about 1/3 of whom have chronic sinusitis with nasal polyps. People with CRSwNP ... chronic cough or rarer ...

Nasal polyps are non-cancerous growths that line the nasal passages and sinuses. They are soft, painless, and hang down like teardrops. Small nasal polyps may not cause any problems. Larger polyps ...