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Tongue ulcers tongue cancer The Second People's Hospital of Hunan Province Canker sores Lv Xuewen
12-28
![Tongue ulcers do not heal for a long time, and doctors remind you to be vigilant against tongue cancer[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)