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What is the typical prognosis for invasive ductal carcinoma?

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Quick Answer

Larger tumors presage poorer outcomes; patients with lesions larger than 5 centimeters have 20-year survival rates of 50 percent to 60 percent, which are significantly lower than the 20-year survival rates of 93 percent to 98 percent for patients with tumors 1 centimeter or less in size, notes Right Diagnosis from Healthgrades. However, other factors, such as biological, social and individual factors, may affect the prognosis of invasive ductal carcinoma.

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Full Answer

Invasive ductal carcinoma, which is also referred to as infiltrating ductal carcinoma, begins in the milk ducts and eventually spreads to the fatty tissue of the breast, explains Johns Hopkins Medicine. The condition constitutes 80 percent of all breast cancer diagnoses, making it the most prevalent form of breast cancer.

Symptoms of the condition include swelling on one breast, nipple discharge and thickening of the breast skin, reports Johns Hopkins Medicine. Diagnosis may involve ultrasounds, mammograms, biopsies and magnetic resonant imaging. Depending on the outcome of the diagnostic process, patients may undergo a combination of treatments that include chemotherapy, radiation therapy, hormonal therapy and mastectomy.

Other rarer forms of invasive ductal carcinoma include tubular ductal carcinoma, which is more common in women older than 50 years, and papillary ductal carcinoma, which exhibits finger-like structures when viewed under a microscope, according to Johns Hopkins Medicine. Medullary ductal carcinoma, a rare breast cancer that makes up 3 to 5 percent of all breast cancer diagnoses, and mucinous ductal carcinoma, which generally has a favorable prognosis, are other uncommon forms of invasive ductal carcinoma.

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