IL2 and metastatic malignant neoplasm: In fact, previous clinical studies have already demonstrated the therapeutic efficacy of neuroimmunotherapy with subcutaneous (SC) low-dose IL-2 plus MLT in untreatable metastatic cancer patients, for whom no other standard effective therapy was available.[6] Moreover, in addition to the proposal of a spiritual therapeutic method, it is important to identify some criteria to recognize the presence of a real status of faith in patients.