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

<div>Radiologic and histologic features of lung cancer at initial presentation. (a) Contrast enhanced axial CT image shows a 6 cm lobulated left upper lobe mass (arrow) with irregular margins and pleural tags and a 1 cm satellite left upper lobe nodule (arrowhead). Histological examination shows (b) adenosquamous carcinoma with two distinct tumor components including (c) adenocarcinoma, immunoreactive with thyroid transcription factor-1 and (d) squamous cell carcinoma, immunoreactive with keratin CK5/6.</div>

Case Reports in Pulmonology

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Figure 1

Figure 1: Metastatic Squamous Cell Carcinoma Component from an Adenosquamous Carcinoma of the Lung with Identical Epidermal Growth Factor Receptor Mutations 

Figure 1 | Metastatic Squamous Cell Carcinoma Component from an Adenosquamous Carcinoma of the Lung with Identical Epidermal Growth Factor Receptor Mutations 