NCIt synonyms : Tumor of Pyriform Sinus; Pyriform Fossa Tumor; Neoplasm of Pyriform Sinus; Neoplasm of Pyriform Fossa; Neoplasm of the Pyriform Fossa; Neoplasm of the Pyriform Sinus; Tumor of the Pyriform Fossa; Pyriform Sinus Neoplasm; Pyriform Sinus Tumor; Tumor of Pyriform Fossa; Tumor of the Pyriform Sinus;
NCIt definition : A benign or malignant neoplasm that affects the pyriform sinus.;