The versatile antrostomy.
D002648:Child; D006801:Humans; D007223:Infant; D009298:Nasal Polyps / Q000601:surgery*; D059747:Nasal Surgical Procedures; D009915:Orbit; D009917:Orbital Fractures; D011127:Polyps; D006255:Rhinitis, Allergic, Seasonal / Q000601:surgery*; D012852:Sinusitis / Q000601:surgery*
HAY FEVER/surgery; NASAL POLYPS/surgery; ORBIT/fracture and dislocation; SINUSITIS/surgery