Term: stage 0 Merkel cell carcinoma in situ Pronunciation: (stayj … MER-kul sel KAR-sih-NOH-muh in SY-too) May 24, 2024October 7, 2025 Description: Abnormal Merkel cells are found in the top layer of the skin. These abnormal cells may become cancer and spread into nearby normal tissue. Related Posts:FDA Approves BAVENCIO® for Merkel Cell CarcinomaBAVENCIO® - First FDA Approved Agent for Merkel Cell…Late Breaking Abstract – ESMO 2023: WELIREG®…FDA Approves OPDIVO® for Renal Cell CarcinomaFDA Approves GILOTRIF® for Squamous Cell Carcinoma…FDA Approves LIBTAYO® for Advanced Basal Cell Carcinoma