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(A) Scatterplot showing a positive correlation between SSTR2A expression and CD163/CD68 ratio. The horizontal bars indicate the median CD163/CD68 ratio for each SSTR2A score in metastatic and non-metastatic PPGLs. (B) The time to progression analyses according to CD163/CD68 ratio and SSTR2A expression in patients with PPGLs. Abbreviations: SSTR2A, somatostatin receptor 2A.
