Fig. 3From: A fast, simple, and cost-effective method of expanding patient-derived xenograft mouse models of pancreatic ductal adenocarcinomaTimeline of PDX Tissue Implantations and Harvests. PDX: patient-derived xenograft; P1: first passage; P2: second passage; P3: third passage; MRI: magnetic resonance imaging. Green: subcutaneous PDX tissue procedures; Purple: orthotopic PDX tissue procedures; Red: using P1 subcutaneous PDX tissue for orthotopic implantation; Blue: freezing (−80 °C) and storing (LN2) PDX tissuesBack to article page