Benign endometrial hyperplasia case

Question

A 40 yr old has an endometrial biopsy report: benign endometrial hyperplasia

1) Explain the diagnosis.

2) Which cells are implicated in this diagnosis. Compare and contrast atrophy vs. hyperplasia.

3)How does dysplasia differ from hyperplasia?

4)Does hyperplasia lead to neoplasia? Defend your answer.

High-level scholarly references should be no older than 5yrs.