Line 5:1·"Gross" is not a recognised heading for this article type.
"Histologically"
Line 7:1·"Histologically" is not a recognised heading for this article type.
Biographical Lifespan
suggestion
"History and etymology"
Line 11:1·A bold element in the History and etymology section should be a person; it would be useful to have their lifespan details: '<h4>History and etymology</h4> <p>It was first described by <strong>Rosen</strong> '