This trial is open to several different types of metastatic, treatment-refractory, solid neoplasms, breast, cholangiocarcinoma, small intestine/colon/rectal adenocarcinoma, esophageal/gastric, hepatocellular, pancreatic, prostate, and bony/soft tissue sarcomas. The trial design permits up to 10 patients with a specific tumor type to be enrolled to screen for anti-tumor effects. A single complete response in a specific tumor type is an indication to exclude further patients with that diagnosis from the study. Subsequently, a new protocol which focuses on further defining a GVT effect in that disease category will be instituted.