Fig. 1From: Comprehensive analysis of spread through air spaces in lung adenocarcinoma and squamous cell carcinoma using the 8th edition AJCC/UICC staging systemTumor spread through air spaces (STAS). a, b: STAS in lung adenocarcinoma (ADC); c, d: STAS in squamous cell carcinoma (SQCC). (a-d: H&E staining; a, c: 40×; b, d: 100×)Back to article page