malignant neoplasm of pyriform fossamalignant neoplasm of pyriform sinusmalignant neoplasm of the pyriform fossamalignant neoplasm of the pyriform sinusmalignant pyriform fossa neoplasmmalignant pyriform fossa tumormalignant pyriform fossa tumourmalignant pyriform sinus neoplasmmalignant pyriform sinus tumormalignant pyriform sinus tumourmalignant tumor of pyriform fossamalignant tumor of pyriform sinusmalignant tumor of the pyriform fossamalignant tumor of the pyriform sinusmalignant tumour of pyriform fossamalignant tumour of pyriform sinusmalignant tumour of the pyriform fossamalignant tumour of the pyriform sinus
Definition
A primary or metastatic malignant neoplasm that affects the pyriform sinus.
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