Fig. 3: Embryonal rhabdomyosarcoma of the uterine corpus: tumors without a predominant classic appearance.

Barely discernible rounded aggregates in an overall hypercellular tumor (A). Sheets of primitive cells with large eosinophilic multinucleated giant cells (B). Variably cellular areas with a myxoedematous background (C) and vague storiform appearance (D).