Fig. 1

Histograms showing proportion of invasive adenocarcinoma in the derivation cohort. a Entire cohort. b Adenocarcinoma in situ by frozen section. c Minimally invasive adenocarcinoma by frozen section
Histograms showing proportion of invasive adenocarcinoma in the derivation cohort. a Entire cohort. b Adenocarcinoma in situ by frozen section. c Minimally invasive adenocarcinoma by frozen section