Produção científica Immunohistochemical Evidence of Dysregulation of the Mammalian Target of Rapamycin Pathway in Primary and Metastatic Pheochromocytomas High epidermal growth factor receptor immunohistochemical expression in urothelial carcinoma of the bladder is not associated with EGFR mutations in exons 19 and 21: a study using formalin-fixed, paraffin-embedded archival tissues Immunoexpression status and prognostic value of mammalian target of rapamycin and hypoxia-induced pathway members in papillary cell renal cell carcinomas Loss of PTEN expression is associated with increased risk of recurrence after prostatectomy for clinically localized prostate cancer Immunoexpression status and prognostic value of mammalian target of rapamycin and hypoxia-induced pathway members in papillary cell renal cell carcinomas