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Neuroblastoma (NB) is a deadly childhood cancer. Children with NB are classified as high-risk (HR) due to genetics or metastatic disease. Metastatic disease occurs when tumor cells (TC) leave the original tumor and travel to distant organs and develop into new tumors by a complex set of steps. Before tumor cells can form metastasis, they often go through a long period of dormancy (rest) to evade therapy. In NB, the bone marrow is the most common site of metastasis and relapse. The MYCN_TT is a unique model of NB, that spontaneously metastasizes to distant sites such as kidney marrow (equivalent to bone marrow). Dr. Anderson and colleagues will utilize the MYCN_TT model in understanding the molecular and cellular mechanisms underlying metastasis and dormancy, which will inform the development of novel therapeutic strategies for HR-NB.