BCL2 and non-small cell lung carcinoma: A meta-analysis of 28 clinical studies showed that Bcl-2 positivity was associated with improved survival with a combined hazard of 0.71[22], however numerous individual studies suggest that Bcl-2 has no prognostic value for NSCLC [20,21,27-31] while others report a correlation with poor prognosis [32-36].