Review Article
Chinese Herbal Extractions for Relieving Radiation Induced Lung Injury: A Systematic Review and Meta-Analysis
Table 1
RTOG and NCI-CTCAE Version 4.03 clinical grading scale of radiation pneumonitis.
| Grade | RTOG | NCI-CTCAE |
| 1 | Mild dry cough not requiring medications | Asymptomatic; clinical or diagnostic observations only; intervention not indicated | 2 | Cough requiring narcotic antitussives or dyspnoea not at rest | Symptomatic; medical intervention indicated; limiting instrumental ADL | 3 | Severe cough not controlled by medications. Dyspnoea at rest | Severe symptoms; limiting self-care ADL; oxygen indicated | 4 | Continuous oxygen or assisted ventilation | Life-threatening respiratory compromise; urgent intervention indicated (e.g., tracheotomy or intubation) | 5 | Fatal | Death |
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