4. Sores
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Sometimes patients notice that they have sores that do not heal. If it is mouth cancer, the sores will not heal. The situation is terrible if you are addicted to alcohol, or you are a smoker.
5. Indigestion or difficulty swallowing
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Head and neck cancers also have specific symptoms. For example, patients find it difficult to swallow food and drinks. They also suffer from indigestion. Stomach cancer and laryngeal cancer also have similar signs.
