Figure 4

Pulmonary intestinal-type adenocarcinoma. The neoplastic cells were columnar, with oval nuclei, dense chromatin, and apically oriented cytoplasm (H&E, × 200).
Pulmonary intestinal-type adenocarcinoma. The neoplastic cells were columnar, with oval nuclei, dense chromatin, and apically oriented cytoplasm (H&E, × 200).