Tumor metastasis and recurrence are urgent clinical problems in tumor treatment. Recurrence-free survival (RFS), Metastasis-free survival (MFS) and differentially expressed genes (DEGs) analyses may enable finding and validating effective markers to predict prognosis and the occurrence of metastasis and recurrence. OSdream, including 144 datasets of 33 tumor types from TCGA, GEO databases and literatures, is established to explore RFS and MFS for gene of interest in one certain tumor. Moreover, the online tool could also perform differentially expressed genes (DEGs) analysis between patients with recurrence and without recurrence, between patients with metastasis and without metastasis, between primary tumor and its metastasis.
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