osimertinib,gefitinib
astrazeneca
['lcsm,(-blcsm)', 'osimertinib']
#asco23 #lcsm css combination chemotherapy with #gefintib #osimertinib started with g &gt;changed to o n=501, ex19 del or l858r mpfs 18mo, p=0.005 o arm mpfs 25.2 mo os not better!! 
Leslye M. Heisler Associate Professor of Lung Cancer Excellence @PennMedicine | AD @PC31 | Incoming Chair @ASCO #CCC | Tweets my own | COI: https://t.co/ghKU8KhBvl