This is 20-year-old dolphin living in Florida, and she had these lesions in her mouth that, over the course of three years, developed into invasive squamous cell cancers.
这是一只20岁的老年佛罗里达海豚， 在她嘴里有这些病变 经过3年 发展成为扩散性的的舌鳞癌。