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Dr. Mark Fritsch, MD is a Doctor primarily located in Chicago Heights, IL. His specialties include Pathology. Dr. Fritsch is affiliated with Franciscan St James Health Chicago Heights and Franciscan St James Health Olympia Fields. He speaks English.


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Specialties & Expertise

Dr. Mark Fritsch has the following 3 areas of expertise, 1 specialty and 1 board certification.


A pathologist is a physician who specializes in the causes and paths taken by different diseases in order to accurately diagnose an illness.

Pathologists diagnose and determine the characteristics of a disease through the study of biopsies of diseased tissue or of bodily fluids. For example, a pathologist will look at a biopsy of a skin lesion in order to diagnose or rule out skin cancer. A pathologist will also look at a Pap smear in order to check for a gynecological cancer like cancer of the uterus.

In addition to determining the cause and development of a disease, these specialists also study the changes a disease makes to a body and the consequences of those structural changes.


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Board Certification

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Locations & Directions

Franciscan St James Health Chicago Heights

1423 Chicago Rd
Chicago Heights, IL 60411

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