The first sign of oral cancer is often a tiny white or red spot in the mouth, but the disease can be detected before a sore appears.
口腔癌的最初症状通常是在口腔内出现一小块白色或红色的斑点,可是,在疮口出现以前这种病是能检测出的。
The first sign of oral cancer is often a tiny white or red spot in the mouth, but the disease can be detected before a sore appears.
口腔癌的最初症状通常是在口腔内出现一小块白色或红色的斑点,可是,在疮口出现以前这种病是能检测出的。
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