CRP and Hyponatremia: No statistically significant difference was found between cancer type (leukemia/lymphoma or solid tumors) and sex, age, nationality, disease severity, mortality, need for intensive care, hospital length of stay, neutropenia, severe neutropenia, lymphopenia, thrombocytopenia, anemia, hypoalbuminemia, hyponatremia, hypokalemia, and high levels of CRP, ESR, and procalcitonin.