A lump inside the mouth can be alarming because it is easy to imagine the worst. In many cases, mouth bumps turn out to be harmless. They may come from irritation, a blocked salivary gland, swollen ...

Lip cancer is a type of oral cancer that occurs on the lips, usually the lower lip. It typically begins on the lower lip, where abnormal cells start to grow out of control. These cells can form a sore ...

Benign tumors of the oral cavity are atypical formations of noncancerous cells that grow in the mouth. They can look like sores or lumps, and they typically develop slowly. Benign oral tumors are ...

Oral squamous cell carcinoma begins in the squamous cells, which are the cells that line the lips and the inside of the mouth. Symptoms can include sores or a lump in the mouth, a sore throat, and ...

Mouth sores that do not heal within two weeks may indicate oral cancer or precancerous conditions and need prompt medical evaluation.