Um cisto renal de 5 cm, com septos espessados e irregulares

A Bosniak 2F – 3% – “active surveillance” B Bosniak 4 – 50% – cirurgia
C Bosniak 3 – 20% – cirurgia D Bosniak 3 – 50% – cirurgia
E Bosniak 4 – 80% – “watchful waiting”