<qa>  What is the name of the AEs that has been administered more than 4 weeks prior to- Has had chemotherapy, radioactive, or biological cancer therapy within 4 weeks prior to the first dose of study therapy pembrolizumab, or who has not recovered to National Cancer Institute NCI Common Terminology Criteria for Adverse Events CTCAE version 4.0 Grade 1 or better from the AEs due to cancer therapeutics administered more than 4 weeks earlier. 