cancer of sphenoidal sinusmalignant neoplasm of sphenoid sinusmalignant neoplasm of sphenoidal sinusmalignant neoplasm of the sphenoid sinusmalignant neoplasm of the sphenoidal sinusmalignant sphenoid sinus neoplasmmalignant sphenoid sinus tumormalignant sphenoid sinus tumourmalignant sphenoidal sinus neoplasmmalignant sphenoidal sinus tumormalignant sphenoidal sinus tumourmalignant tumor of sphenoid sinusmalignant tumor of sphenoidal sinusmalignant tumor of the sphenoid sinusmalignant tumor of the sphenoidal sinusmalignant tumour of sphenoid sinusmalignant tumour of sphenoidal sinusmalignant tumour of the sphenoid sinusmalignant tumour of the sphenoidal sinussphenoidal sinus cancer
Definition
A malignant neoplasm involving the sphenoidal sinus.
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