Representative nasal endoscopy findings of the middle meatus. (A) Edema and mucopurulence in the right middle meatus. (B) Purulence draining from an accessory maxillary sinus ostium through the right middle meatus and into the nasopharynx. © 2019 The American Laryngological, Rhinological and Otological Society, Inc.

Representative nasal endoscopy findings of the middle meatus. (A) Edema and mucopurulence in the right middle meatus. (B) Purulence draining from an accessory maxillary sinus ostium through the right middle meatus and into the nasopharynx. © 2019 The American Laryngological, Rhinological and Otological Society, Inc.

Representative nasal endoscopy findings of the middle meatus. (A) Edema and mucopurulence in the right middle meatus. (B) Purulence draining from an accessory maxillary sinus ostium through the right middle meatus and into the nasopharynx.

© 2019 The American Laryngological, Rhinological and Otological Society, Inc.

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