Does type II papillary histology predict poor outcome in patients with renal cell carcinoma and vena cava thrombus?
• Type II papillary histology appears to be predominant in cases of pRCC with IVC thrombus. •  Patients with type II pRCC who presented with IVC thrombus had significantly worse outcomes than those with cRCC, and histology is an important prognostic factor in patients with RCC and IVC thrombus.
This study may elicit further examination and debate about the existence of a nosological entity linked to bullying. Pending further research, the present results should support the need to ascertain participation in bullying, as a bully and/or as a victim, in all pediatric visits. Furthermore, there is a need to enquire about symptoms and risks related to this form of abuse.