Figure 1From: Large-cell neuroendocrine carcinoma of lung with epidermal growth factor receptor (EGFR) gene mutation and co-expression of adenocarcinoma markers: a case report and review of the literature Papanicolaou smears from the first examination diagnosed as high-grade neuroendocrine carcinoma favoring small-cell carcinoma (upper panels left to right: ×200, ×400), and the second examination diagnosed as large-cell neuroendocrine carcinoma (lower panels: ×200, ×400). Back to article page