What is squamous cell carcinoma in situ of the larynx? Squamous cell carcinoma in situ (CIS) is a non-invasive type of throat cancer. If left untreated, squamous cell CIS is associated with a high risk of developing invasive squamous cell carcinoma. Other names for this condition include severe squamous dysplasia and high grade dysplasia. Where in …
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What is urothelial carcinoma in situ (CIS)? Urothelial carcinoma in situ (CIS) is a type of non-invasive cancer. It can occur anywhere along the urinary tract which includes the bladder, ureters, urethra, and kidneys. If left untreated, urothelial CIS can change over time into a type of invasive cancer called urothelial carcinoma. Where is urothelial carcinoma …
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What is squamous cell carcinoma in situ of the oral cavity? Squamous cell carcinoma in situ (CIS) is a non-invasive type of oral cavity cancer. The oral cavity includes the lips, tongue, floor of mouth, cheeks, and hard palate. If left untreated, squamous cell carcinoma in situ is associated with a high risk of developing …
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