Micrograph showing<unk>  (centre of image) in an atypical polypoid adenomyoma. H&E stain<unk>  is a benign non-cancerous change (metaplasia) of surfacing lining cells (epithelium) to a<unk>  morphology.
Squamous metaplasia
Keratinizing metaplasia
Glandular metaplasia
Intestinal metaplasia
Hyperkeratinization
Epithelial dysplasia
Moist desquamation
Couching 