id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
aiua-12856	Peyroteo, Inês; Santos, Filipa; Marialva, Celso; Brito Ramos, Rodrigo	Programmed death-ligand expression and lymph node involvement in penile squamous cell carcinoma	2024	4	.pdf	application/pdf	3183	166	56	PD-L1 protein expression was determined by using a Combined Positive Score (CPS), counting the number of PD-L1 staining cells (tumor cells, lymphocytes, macrophages) divided by the total number of viable tumor cells, multiplied by 100 (e.g. if 1 staining cell was found out of 100 viable cells the score was 1/100 x 100 = 1). The ability of tumor cells to evade the immune system is one of the many characteristics of tumor cells recognized as a hallmark of cancer (5).	cache/aiua-12856.pdf	txt/aiua-12856.txt