The tumor presenting the highest NTR1 expression was a poorly differentiated prostatic adenocarcinoma (CK20−, CK7−, PSAp+, p63−, p504s+) without neuroendocrine differentiation (CgA-, synaptophysin-), Gleason 9, node-positive, T3, R0. The gene discussed is NTSR1; the disease is neoplasm.