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. 2017 Oct 13;69(4):488–493. doi: 10.1007/s12070-017-1231-1

Table 1.

Early signs of head and neck cancer

Flag signs
Change of voice > 15 days
Non-healing red/white patch in oral cavity
Trismus
Difficulty in swallowing > 15 days
Neck or cheek swelling > 7 days
Oral/throat/nose bleed
Breathing difficulty/noisy breathing