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natera
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#ctdna kinetics using signatera on st i-iii #crcsm (60% had 1st draw 0-12 wks postop). higher cfdna conc in 2-4 wks and highest ctdna+ in 1st 2 wks but cfdna does not impact ctdna detection. could send for ctdna as soon as 2 wks post-op? #gi23 
Medical oncologist and researcher in gastrointestinal and genitourinary cancers @CedarsSinai. Hematology/Oncology fellowship @cityofhope