IL2 and peripheral neuropathy: Anticipated toxicities from IL-2 were observed and included hypotension requiring vasopressor support, pulmonary capillary leak with hypoxemia, fever, rigors, myalgias, arthralgias, pruritus, erythematous rash, diarrhea, nausea, electrolyte abnormalities, elevations of hepatocellular enzymes, azotemia, peripheral neuropathy, mental status changes and immune-mediated hypothyroidism.