Question: what are early signs of head and neck cancer?
Answer: Swelling or a sore that does not heal; this is the most common symptom. Red or white patch in the mouth. Lump, bump, or mass in the head or neck area, with or without pain. Persistent sore throat. Foul mouth odor not explained by hygiene. Hoarseness or change in voice. Nasal obstruction or persistent nasal congestion.