Table 3 Concordance rate between frozen section and final pathology in each type stratified by tumor size

From: Intraoperatively measured tumor size and frozen section results should be considered jointly to predict the final pathology for lung adenocarcinoma

Final pathology

Tumor size

 

≤1 cm

>1 cm

P value

Overall

87%

96%

< 0.01

Atypical adenomatous hyperplasia

100%

100%

> 0.99

Adenocarcinoma in situ

92%

100%

0.61

Minimally invasive adenocarcinoma

75%

72%

0.73

Invasive adenocarcinoma

84%

97%

< 0.01

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