Rodent ulcers, despite the name, have nothing to do with rodents and thankfully aren’t a serious condition. These are actually sores that appear most commonly on a cat’s upper lip. While ...

During his reign, which lasted from 1901 until 1910, King Edward VII had a rodent ulcer (basal-cell carcinoma) removed from the area adjacent to his nose, which was cured with radium in 1907 ...