“…In case of CNS tumors, immune responses may also contribute to induce changes in patient symptoms and behavior, depending on tumor localization and the specific types of immune cells and mediators involved. In this regard, it is considered that younger patients presenting with acute signs and symptoms of neurologic disease are investigated earlier, and consequently, referred more promptly for treatment (9). Conversely, patients with organic brain lesions in neurologically silent brain areas might present with milder 7 symptoms and/or isolated psychiatric symptoms such as depression, anxiety disorders, schizophrenia, anorexia nervosa, or cognitive dysfunction (10,11).…”