Table 4 Lung-related comorbidity, tumor location, and dosimetric data of patients with radiation pneumonitis ≥ grade 3
Patient number | 1 | 2 | 3 |
|---|---|---|---|
Adverse event and grade | RP grade 3 | RP grade 3 | RP grade 5 |
FEV1.0 (L) | 2.2 | 1.2 | 1.3 |
GOLD stage | 0 | 1 | 2 |
History of lung operation | No | No | No |
Tumor location | Right lower lobe | Right lower lobe | Bilateral lower lobe |
PTV (mL) | 85.0 | 110.6 | 32.4/59.0 |
Lung V20 (%) | 8.4 | 16.2 | 18.3 |
MLD (Gy) | 6.0 | 8.8 | 10.9 |