Diffuse large B-cell lymphoma of the nasopharynx.

Thompson LD.
Ear Nose Throat J. 2012 May;91(5):192, 194.
FIRST PARAGRAPH: Diffuse large B-cell lymphoma accounts for more than 50% of all Waldeyer ring lymphomas, which in turn account for about 15% of all head and neck lymphomas and about 50% of all extranodal head and neck lymphomas.
PubMed ID: 22614552
Article Size: <1 MB