CIS

Urothelial carcinoma in situ (CIS)

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. Urothelial CIS arises from specialized urothelial cells that cover the inside surface of these organs and create a barrier called the …
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Squamous carcinoma in situ (skin)

What is squamous carcinoma in situ? Squamous carcinoma in situ is a type of non-invasive skin cancer. The tumour starts from the cells normally found on the surface of the skin. Another name for squamous carcinoma in situ in the skin is Bowen’s disease. If left untreated, most tumours will eventually turn into a type …
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Squamous carcinoma in situ of the oral cavity

About this article: This article was created by doctors to help you read and understand your pathology report for squamous carcinoma in situ (CIS) in the oral cavity. If you have any questions about this article or your pathology report, please contact us. What is squamous carcinoma in situ (CIS)? Squamous carcinoma in situ (CIS) …
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Squamous cell carcinoma in situ of the larynx

What is squamous cell carcinoma in situ (CIS) of the larynx? Squamous cell carcinoma in situ (CIS) is a non-invasive type of laryngeal (throat) cancer. Squamous CIS starts from the cells that cover the inside surface of the larynx. Squamous CIS can start in any part of the larynx although the most common location is …
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Carcinoma in situ (CIS)

What does carcinoma in situ (CIS) mean? Carcinoma in situ (CIS) is a diagnosis that describes an early non-invasive type of cancer. Without treatment, the cancer cells in CIS will eventually spread into the surrounding normal tissue. The movement of cancer cells into the surrounding tissue is called invasion. How does carcinoma in situ start? …
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