Surgical Risk Factors (SRF) of Cecchetto et al in a Child with a Neuroblastoma

• a major artery and/or vein?

• a major nerve or plexus?

• the trachea, major bronchus, or other major organ?

• the porta hepatis, renal hilum, muscle or other organ?

• intervertebral foramina?

Is the tumor dumbbell shaped?

Does the tumor cross the midline?

Does the tumor extend from the region of origin into an adjacent body region?

Does the tumor involve the lower mediastinum?

Is the tumor large relative to the size of the child?

Is the tumor fragile because of extensive necrosis?