Invasive ductal carcinoma, well differentiated, low power. Digital Atlas of Breast Pathology by Meenakshi Singh, MD - Department of Pathology, Stony Brook University Medical Center

Invasive ductal carcinoma, CHG 1 of 3, low power.
Clues to invasiveness include desmoplastic stroma and haphazard arrangement of glands, along with gland variability in size and shape.

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