Fig. 3
Histology of pleura, lung parenchyma and diaphragm of mice that received intrapleural injection of LLC cells. a Pleura and lung parenchyma after 7 days of 0.1 × 105 cells; b tumor implantation in visceral pleura after 7 days of 0.5 × 105 cells (arrows); c tumor implants in visceral pleura after 14 days of 0.5 × 105 cells (arrows); d tumor implants in visceral pleura after 14 days of 1.5 × 105 cells (asterisk); e massive tumor invading diaphragm after 14 days of 1.5 × 105 cells (asterisk); f tumor mass observed after 21 days of LLC cells (asterisk). Hematoxylin & eosin staining. LP lung parenchyma, asterisk tumor, arrows tumor implants