238693.fig.001a
(a)
238693.fig.001b
(b)
Figure 1: (a) Low power (20x; H & E) photomicrograph demonstrating invasive lung tumor arranged in nests and islands with abundant central necrosis. Cytologically (b) the malignant cells displayed enlarged, hyperchromatic nuclei with vesicular to coarse chromatin and a moderate amount of amphophilic cytoplasm (200x; H & E).