Metastatic Squamous Cell Carcinoma Component from an Adenosquamous Carcinoma of the Lung with Identical Epidermal Growth Factor Receptor Mutations

<div>Radiologic features of recurrent malignant lung disease. Contrast enhanced axial CT image shows (a) a 1.9 × 1.4 cm nodular paramediastinal opacity and (b) a left 1.1 × 0.9 cm perihilar nodule. Histological examination demonstrated pure adenocarcinoma with the same EGFR exon 19 mutation that was present in the original tumor.</div>

Case Reports in Pulmonology

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Figure 3: Metastatic Squamous Cell Carcinoma Component from an Adenosquamous Carcinoma of the Lung with Identical Epidermal Growth Factor Receptor Mutations 

Figure 3 | Metastatic Squamous Cell Carcinoma Component from an Adenosquamous Carcinoma of the Lung with Identical Epidermal Growth Factor Receptor Mutations 