The maxillary sinus was filled with polypous, chronically inflamed mucous membrane.
Składzień Jacek, Zagólski Olaf, Stręk Paweł 2006, 'Fatty tissue within the maxillary sinus: a rare finding.', Head & Face Medicinehttp://www.head-face-med.com/content/2/1/28. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In endoscopic examination a small polypous tumor was detected in the stomach.
Grimm Horst, Pauser Ursula 2008, 'Intramucosal leiomyosarcoma of the stomach following hereditary retinoblastoma inchildhood – a case report and review of the literature', World Journal of Surgical Oncologyhttp://www.wjso.com/content/6/1/131. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)