Fig. 1

The critical clinical prognostic factors affect the prognosis of PDTs. A-B The representative gross morphology examination of complete resection PDTs. C-D The microscopic examination of tissue sections with Hematoxylin and eosin (H&E) stains under different magnifications. E The overall recurrence survival and various critical clinical prognostic factors (age, gender, tumor location, tumor size and adjacent to nerve and/or vessel) affect the prognosis of PDTs