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Ann B. Barshinger Cancer Institute

Breast Cancer

Learn more about Breast Density

Cancer Institute > Breast Cancer > Screening Mammography


About one in eight women in the United States will develop invasive breast cancer. Regular screening exams can help find breast cancer early, when it is more easily treated. Current guidelines recommend annual mammograms for women starting at age 40. Along with breast self-exams and clinical breast exams, these routine screening tests are valuable tools for monitoring breast health.

Ccertified by the American Registry of Radiologic Technologists (ARRT)

At Lancaster General Health, Mammograms are performed by technologists certified by the American Registry of Radiologic Technologists (ARRT).


The Suzanne H. Arnold Center for Breast Health is the only Breast Imaging Center of Excellence in Lancaster County designated by the American College of Radiology. The center serves as one of six Centers for Breast Health where you can schedule screening mammography.

Patients from the Lancaster area have benefited from educational awareness programs, free mammograms, treatment and funding for additional support services, including medication, through the more than half a million dollars in grant funding that Lancaster General Health has received from the Susan G. Komen for the Cure – Philadelphia.

Digital screening mammography

Mammography is an X-ray procedure used to detect breast changes. Mammograms can detect tumors that are too small for you or a health professional to feel or before symptoms develop. Mammograms can't prevent breast cancer, but they reduce the risk of dying from the disease.

Digital mammograms are electronic images of the breast and are easily stored and retrieved for review. We offer the latest in digital screening mammography at five convenient Centers for Breast Health locations. We usually take two views of each breast—one from the side and one from above. This allows the radiologist to identify abnormalities—like small lumps, areas of calcification or other changes—before you can feel them.

Screening mammography guidelines

You should schedule an annual screening mammogram if you:

  • Are age 40 or older
  • Have no personal history of breast cancer
  • Have no signs of breast cancer, such as a lump or thickening, nipple discharge or dimpling of the skin
  • Are not pregnant or breastfeeding
  • Have not had a mammogram in the last year

If you have risk factors for breast cancer, your doctor may recommend screening mammograms before you reach age 40. If you are age 75 or older, ask your doctor whether you need a breast cancer screening.

Expertise—plus the latest technology

We are committed to making your screening experience comfortable and to providing timely and accurate results. No matter which Lancaster General Health facility you choose, a board-certified radiologist who specializes in breast imaging will review your screening mammogram.

  • Digital mammography provides exceptional clarity, especially for denser breast tissue
  • Our board-certified radiologists read all images
  • R2 ImageChecker computer-aided technology further improves likelihood of early detection and gives you added confidence in the accuracy of your results

Breast MRI

Lancaster General Health offers breast MRI in partnership with The MRI Group. We are the only breast MRI provider in the region accredited by the American College of Radiology. This advanced imaging technology is used selectively as a screening tool for women who have been identified as having a breast cancer (BRCA) gene mutation, which may increase their risk of developing certain types of breast cancer. A woman who has inherited the harmful gene mutation is about five times more likely to develop breast cancer than a woman in the general population.

Next steps

If your screening identifies an area of concern, the radiologist may request additional diagnostic testing:

Make an appointment

You can schedule a screening mammogram here or call (717) 544-5941.

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