As an expert in the field of oncology, I can provide you with information on the symptoms of oral cancer. It's important to note that early detection is crucial for effective treatment. Here are some common signs and symptoms of oral cancer: 1. A sore in the mouth that does not heal: This is often the most common symptom of oral cancer. 2. Pain in the mouth that doesn't go away: Persistent pain can be a sign of underlying cancer. 3. A lump or thickening in the cheek: Unexplained lumps can be indicative of cancerous growths. 4. **A white or red patch on the gums, tongue, tonsil, or lining of the mouth**: These patches, known as leukoplakia or erythroplakia, can be precancerous or cancerous. Other symptoms may include difficulty in swallowing, a feeling that something is caught in the throat, numbness or loss of feeling in any area of the mouth, a white or red patch that cannot be wiped off, and unexplained weight loss. It's important to consult with a healthcare professional if you notice any of these symptoms to get a proper diagnosis and treatment plan. read more >>

Possible signs and symptoms of these cancers can include:A sore in the mouth that does not heal (most common symptom)Pain in the mouth that doesn't go away (also very common)A lump or thickening in the cheek.A white or red patch on the gums, tongue, tonsil, or lining of the mouth.More items...read more >>