CIS

Squamous cell carcinoma in situ

Squamous cell carcinoma in situ is a non-invasive type of cancer made up of squamous cells. It is called non-invasive because the abnormal cells have not spread into any of the surrounding tissues. If left untreated, this condition can turn into a type of invasive cancer called squamous cell carcinoma. Squamous cell carcinoma in situ …
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Squamous cell carcinoma in situ of the larynx

Squamous cell carcinoma in situ of the larynx is a non-invasive type of cancer. If left untreated, this condition can evolve into a type of invasive laryngeal cancer called squamous cell carcinoma. This condition typically affects adults over the age of 40 years. The larynx The larynx is a structure located in the upper neck …
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Squamous cell carcinoma in situ of the skin

Squamous cell carcinoma in situ or Bowen’s disease is an early non-invasive type of skin cancer. It starts from squamous cells normally found in a part of the skin called the epidermis. If left untreated, squamous cell carcinoma in situ can evolve into a more aggressive type of skin cancer called invasive squamous cell carcinoma. What …
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Urothelial carcinoma in situ (CIS)

Urothelial carcinoma in situ (CIS) is a type of non-invasive cancer that starts in the lining of the urinary tract. The urinary tract includes the bladder, kidneys, ureters, and urethra. “In situ” means that the cancer cells are only found in the urothelium (inner lining) and have not spread to deeper tissues. However, if not …
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Squamous cell carcinoma in situ of the oral cavity

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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Carcinoma in situ (CIS)

Carcinoma in situ (CIS) is an early-stage, non-invasive form of cancer in which abnormal cells are confined to the epithelium – the thin layer of tissue that lines the surfaces and internal structures of the body. “In situ” means “in its original place,” indicating that the cancerous cells have not spread into surrounding tissues or …
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