Consensus-based Recommendation 1.E5
Expert consensus	Strength of consensus +++
References: 2 ,  11 ,  12 ,  13
The morphological work-up must find out all of the information listed below. Grading of the histological tumor type based on the WHO classification Grading of ESS Evidence for/no evidence of lymph node or blood vessel infiltration (L and V status) Evidence for/no evidence of perineural infiltration (PNI status) Staging (pTNM) Infiltration depth into the myometrium or (endo-)cervical stroma Three-dimensional tumor size, in cm Metric data for the minimal distance between the sarcoma and the respective relevant resection margin R classification (UICC) Estrogen and progesterone receptor expression