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. 2015 Feb 17;10(2):e0117417. doi: 10.1371/journal.pone.0117417

Table 1. Comparison of primary tumor and metastasis occurrence in subcutaneous (PDX) and orthotopic (PDOX) models.

Model No. of mice implanted Tumor-take rate (%) Metastasis (%)
Nude mouse subcutaneous (PDX) 10 7 / 10 (70) 0 (0)
Nude mouse orthotopic (PDOX) 8 6 / 8 (75) 4 / 8 (50)