Digital Atlas of Breast Pathology by Meenakshi Singh, MD © - Department of Pathology, Stony Brook University Medical Center

Invasive cribriform carcinoma.
This case illustrates the classic appearance of cribriform carcinoma in which most of the glands are arranged in a cribriform pattern. This can be separated from tubular carcinoma in which tubular carcinoma is composed almost entirely of single uniform invasive glands.