Rapid Progression of a Lymphoma following Pfizer booster shot

A 66-year-old man with no significant medical history except for hypertension, hypercholesterolemia, and type 2 diabetes presented on September 1, 2021, with lymph node enlargement on his neck. The increase in size became apparent after a recent flu-like syndrome. He has no history of cancer. He had two doses of BNT162b2 mRNA vaccine (Pfizer) 5…