pembrolizumab
merck
['lcsm,(-blcsm)', 'apobec', 'nsclc', 'sclc']
dr. tongwu zhang reports tobacco exposure affects apobec signatures in nsclc. kras mutations more common in low apobec signature (las) tumors whereas tp53 mutations more common in high apobec signature (has) tumors. #aacr23 #lcsm (8/11) 
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