My tonsils were removed when I was 12 and they didn't grow back so mine wasn't in the tonsil. I suspect it was on the back of my throat since I had a faulty cigarrette burn the back of my throat. I was at HUP, not exactly a small, inexperienced institution. Biospies were taken all over the inside of my mouth looking for the primary but nothing was found. I however agree there seem to be less unknown primaries these days.

Take care,
Eileen


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Aug 1997 unknown primary, Stage III
mets to 1 lymph node in neck; rt ND, 36 XRT rad
Aug 2001 tiny tumor on larynx, Stage I total laryngectomy; left ND
June 5, 2010 dx early stage breast cancer
June 9, 2011 SCC 1.5 cm hypo pharynx, 70% P-16 positive, no mets, Stage I