1. Measurable metastatic (stage IV) gastric, gastroesophageal, pancreatic, hepatocellular carcinoma, cholangiocarcinoma, gallbladder, colorectal, urothelial, breast, and ovarian/endometrial carcinomas with at least one lesion that is resectable for TIL generation with minimal morbidity preferentially using minimal invasive laparoscopic or thoracoscopic surgery for removal of superficial tumor deposit, plus one other lesion that can be measured.