Table 2 Simplified treatment volumes used in patients with T1-T4 laryngeal carcinomas
PTV1 (64–70 Gy) | PTV2 (60 Gy) | PTV3 (54 Gy) | |
|---|---|---|---|
T1 | Affected laryngeal side (~1/2-2/3 of laryngeal volume) | Small region above and below PTV1 | – |
T2 | Affected laryngeal side (~2/3 of laryngeal volume) | Small region above and below PTV1 | Level II-V bilaterally (for small T2 tumors no ENI) |
T3 | Most of the larynx depending on tumor extension (~3/4- 4/5 –entire laryngeal volume) | Small region above and below PTV1 | Level II-V bilaterally |
T4 | Whole larynx | Small region above and below PTV1 | Level II-VI bilaterally |
N+ | Affected lymph node sites | Small region around PTV1 | Level II-VI bilaterally |