Predictors of disease recurrence after radical resection and adjuvant chemotherapy in patients with stage IIb-IIIa squamous cell lung cancer: A retrospective analysis

Figure 2 Features of parenchymal and stromal components of lung squamous cell carcinoma. A: Microvessels in the tumor solid component; B: The fragmentation of the tumor solid component; C: The phenomenon of peritumoral retraction clefting; D: Spread of the tumor through the alveolar air spaces. Mayer's hematoxylin and eosin staining (× 200).