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Dr. Radha IyengarBreast Surgery

Ductal carcinoma in situ - overview

1 min read
Ductal carcinoma in situ or DCIS is considered a very early form of breast cancer. DCIS refers to  cancer cells that are found within the duct and have not yet broken through the duct.
DCIS is considered Stage 0. This is a curable stage of cancer.  DCIS is typically found on screening mammograms but can also manifest as a painless breast lump or nipple discharge.
DCIS is diagnosed by doing a biopsy of the breast that is then examined under the microscope.  This will reveal the grading and estrogen/progesterone status of the cancer cells.
Grading refers to how ugly the cancer cells look compared to a normal cell. Low grade is very similar to a normal cell and high grade is very ugly compared to a normal cell. Intermediate grade is between low and high.
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The estrogen and progesterone status of the cancer cells tells us if hormones are driving the growth of the cancer cells. This information may be used for certain types of treatment if applicable.