Tumor infiltrating lymphocyte grade in Merkel cell carcinoma: relationships with clinical factors and independent prognostic value. - Yusuf, Mehran; Gaskins, Jeremy; Mandish, Steven; May, Michael E.; Wall, Weston; Fisher, William; Tennant, Paul; Jorgensen, Jeffrey; Bumpous, Jeffrey; Dunlap, Neal (Acta Oncologica, 2020)