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Stage 0 is a pre-cancerous or marker condition, either ductal carcinoma in situ (DCIS) or lobular carcinoma in situ (LCIS). Stages 1–3 are within the breast or regional lymph nodes. Stage 4 is a metastatic cancer. Metastatic breast cancer has a less favorable prognosis. Receptor status.
Cervical squamous intraepithelial lesion (SIL), previously called cervical intraepithelial neoplasia (CIN), is a form of dysplasia that can progress to cervical cancer. The term carcinoma in situ may be used interchangeably with high-grade SIL. [8] Ductal carcinoma in situ of the breast is the most common precancer in women.
Ductal carcinoma in situ (DCIS), also known as intraductal carcinoma, is a pre-cancerous or non-invasive cancerous lesion of the breast. [1] [2] DCIS is classified as Stage 0. [3] It rarely produces symptoms or a breast lump that can be felt, typically being detected through screening mammography.
[3] [4] It is also the most common form of breast cancer occurring in men, accounting for 85% of cases. [ 5 ] [ 6 ] The incidence of ductal carcinomas as a whole is 86.3 cases per 100,000 women, with the incidence increasing sharply for women over 40 years of age and peaking at 285.6 cases per 100,000 for women between 70 and 79.
Histopathologic types of breast cancer, with relative incidences and prognoses. "Lobular carcinoma in situ" is at right. LCIS is identified in 0.5% to 1.5% of benign breast biopsies. These biopsies are often done in response to suspicious mammographic findings, as discussed in the Diagnosis section of this article.
Comedocarcinoma is a kind of breast cancer that demonstrates comedonecrosis, which is the central necrosis [1] of cancer cells within involved ducts. Comedocarcinomas are usually non-infiltrating and intraductal tumors, characterized as a comedo-type, high-grade ductal carcinoma in situ (DCIS).
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