While these lesions are technically benign, they are considered "high risk" and are often reported separately from "pure" benign lesions (Histo2) to guide future monitoring or treatment decisions. 2. Technical: Software and Data Reports

It typically includes benign proliferative epithelial lesions such as Atypical Ductal Hyperplasia (ADH) , Atypical Lobular Hyperplasia (ALH) , and atypical columnar cell hyperplasia.

In pathology reports, is a specific category used to classify benign breast lesions that carry a high risk of developing into cancer.

In biomedical research, "histo4" can refer to a specific feature extracted from a signal histogram used in automated diagnostic algorithms. Recommendation

Some universities use "Histo4" as a shorthand for specific learning units in digital histology software, such as the "Leber, Gallenblase, Pankreas" (Liver, gallbladder, pancreas) module at Goethe University.

The term is also used as a label for data objects or software directories in scientific research: