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@jonherochung @drdayjee @AnnalsATS @PFFORG @davidlederer @UChicagoPCCM Honeycombing (HC) mortality HR in RA-UIP is 4 for CTD-ILD is 2. So I wonder what is the difference? Traction is important in UIP so MAYBE its the difference between RA-UIP and CTD-ILD?