Antrochoanal polyps (ACPs) are benign, solitary lesions that originate from the mucosa of the maxillary sinus and extend into the nasal cavity towards the choana. They can present with unilateral ...

Polyps are bits of extra cells that can grow in many of your tissues. Gastric polyps, or stomach polyps, are growths that develop in the lining of your stomach. In many cases, these polyps cause no ...