
Keywords: MCPyV, Merkel cell polyomavirus; MCC, Merkel cell carcinoma; SCLC, Small cell lung cancer; PCR, Polymerase chain reaction; FFPE, Formalin-fixed and paraffin-embedded; NSCLC, Non small cell lung cancer; IHC, Immunohistochemistry; H&E, Hematoxylin and eosin