osimertinib
astrazeneca
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#asco20 #asco23 this tweet from 2020 showed that os was really important! and today, we heard it. 
Leslye M. Heisler Associate Professor of Lung Cancer Excellence @PennMedicine | AD @PC31 | Incoming Chair @ASCO #CCC | Tweets my own | COI: https://t.co/ghKU8KhBvl