The antrochoanal polyp is?
Antrochoanal polyp is usually single and unilateral. More tendency to grow posteriorly and do not bleed. Unilateral nasal obstruction is the presenting symptom. Obstruction may become bilateral when polyp grows posteriorly into the nasopharynx and stas obstructing the opposite choana. (Ref - PL DHINGRA diseases of ear nose and throat, 7th edition, page no 193)
Single and grows posteriorly
Multiple
Bleeding
None
Nose and paranasal sinuses