This article was last reviewed and updated on August 17, 2019. by Jason Wasserman, MD PhD FRCPC Quick facts: Squamous cell carcinoma is a type of oral cavity cancer. The oral cavity includes the lips, tongue, gums, floor of mouth, hard palate, and inner cheeks. Smoking, chewing tobacco, and betel nut all increase the risk …
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This article was last reviewed and updated on February 25, 2019. by Jason Wasserman, MD PhD FRCPC Quick facts: Squamous carcinoma in situ (CIS) is a type of non-invasive cancer that can involve the lips, mouth, and tongue. It is called non-invasive because after careful examination of your tissue sample under the microscope, your pathologist only …
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