Prognostic significance of p21 and p27 protein, apoptosis, clinical and histologic factors in rectal cancer without lymph node metastases.


The aim of this study was to evaluate the prognostic role of clinical and histopathologic factors, cell-cycle regulator proteins (p21(Waf1/Cip1), p27(Kip1)), and apoptotic index in lymph node-negative rectal cancer. Formalin-fixed, paraffin-embedded tissue samples of 97 rectal carcinomas (UICC stages I and II) resected curatively within five years were used… (More)


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