RecruitingPhase 1Drug trialTocilizumab Delivered Via Pleural and Peritoneal Catheters in Patients With Advanced Metastatic CancerThe purpose of this study to find out if tocilizumab can be safely infused into chest or abdominal cavities of patients with malignancy ascites (MA) or malignant pleural effusions (MPE). Patients will have a total of 4 doses, one dose administered each week. Each dose will be greater than the previous one.