A multivariate analysis of stage, tumor ASS1, and CAF-ARG2 expression showed that ASS1 and stage were independent prognostic variables (p = 0.01, HR 0.46 [0.2–0.8] and p = 0.0001, HR = 3.8 [95% CI 1.9–7.8], respectively). Here, ARG2 is linked to neoplasm.