EORTC/RTOG classification (European Organization for Research and Treatment of Cancer/RTOG: Radiation Therapy Oncology Group) | ||||
1 | 2 | 3 | 4 | 5 |
Slight epithelial atrophy; minor telangiectasia; microscopic hematuria | Moderate frequency, generalized telangiectasia; intermittent macroscopic hematuria | Severe frequency and dysuria, generalized telangiectasia (often with petechiae), frequent hematuria with decreased bladder capacity | Necrosis/contracted bladder, severe hemorrhagic cystitis | Death directly due to hemorrhagic cystitis |