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![What we have learned from urinary bladder cancer models](https://image.oaes.cc/a531d287-7752-4bd2-93f3-285f447152ad/1299.fig.2.png)
Figure 2. Schematic representation of the study design to establish a patient-derived tumor xenograft model. The original tumor and tumors grown in mice can be analyzed and compared using fresh or Formalin-fixed, paraffin-embedded tumor samples for histology and immunoexpression of specific markers. FFPE: Formalin-fixed, paraffin-embedded