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Invasive Mammary Carcinoma (IMC)

Invasive mammary carcinoma, also known as infiltrating mammary carcinoma, is tumor that has features of both ductal carcinoma and lobular carcinoma. It is not two different cancers, just one that has features of both of the common types of breast cancer.

How is invasive mammary carcinoma diagnosed?

Same Day Results

At the Johns Hopkins Breast Center, our breast specialists understand how quickly patients want results from a biopsy or scan if there is a suspicion of breast cancer. We follow strict guidelines for biopsies and pathology reports. Most of our patients will receive diagnosis immediately following their biopsy procedure, and a pathology confirmation within 24 hours.

Learn more about the steps of diagnosis, including:

  • Digital mammography
  • Ultrasound
  • MRI
  • Staging workup
  • Biopsy
  • Pathology

What is the treatment for invasive mammary carcinoma?

Invasive mammary carcinoma is treated with a lumpectomy or mastectomy, depending on the size and location of the tumor. Your oncology team also may recommend chemotherapy and/or radiation, hormonal therapy or biologic targeted therapy. 

What is the prognosis for invasive mammary carcinoma?

Prognosis depends on individual markers, including the staging of your tumor. Your physician will discuss your prognosis with you. In general, with modern treatments, the prognosis of invasive mammary carcinoma is similar to ductal and lobular carcinoma.