Parameter | |
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V2 (cc) | The volume of the lung receiving a dose ≥2 Gy |
V5 (cc) | The volume of the lung receiving a dose ≥5 Gy |
V10 (cc) | The volume of the lung receiving a dose ≥10 Gy |
V20 (cc) | The volume of the lung receiving a dose ≥20 Gy |
V30 (cc) | The volume of the lung receiving a dose ≥30 Gy |
V2 − LAV2 (cc) | The volume of the lung without LAV receiving a dose of ≥2 Gy |
V5 − LAV5 (cc) | The volume of the lung without LAV receiving a dose of ≥5 Gy |
V10 − LAV10 (cc) | The volume of the lung without LAV receiving a dose of ≥10 Gy |
V20 − LAV20 (cc) | The volume of the lung without LAV receiving a dose of ≥20 Gy |
V30 − LAV30 (cc) | The volume of the lung without LAV receiving a dose of ≥30 Gy |
LAV2 (cc) | The volume of LAV receiving a dose of ≥2 Gy |
LAV5 (cc) | The volume of LAV receiving a dose of ≥5 Gy |
LAV10 (cc) | The volume of LAV receiving a dose of ≥10 Gy |
LAV20 (cc) | The volume of LAV receiving a dose of ≥20 Gy |
LAV30 (cc) | The volume of LAV receiving a dose of ≥30 Gy |
V2% | The percentage of lung volume receiving ≥2 Gy |
V5% | The percentage of lung volume receiving ≥5 Gy |
V10% | The percentage of lung volume receiving ≥10 Gy |
V20% | The percentage of lung volume receiving ≥20 Gy |
V30% | The percentage of lung volume receiving ≥30 Gy |
(V2 − LAV2)∕TLV | The ratio of the lung without LAV receiving ≥2 Gy to the TLV |
(V5 − LAV5)∕TLV | The ratio of the lung without LAV receiving ≥5 Gy to the TLV |
(V10 – LAV10)∕TLV | The ratio of the lung without LAV receiving ≥10 Gy to the TLV |
(V20 – LAV20)∕TLV | The ratio of the lung without LAV receiving ≥20 Gy to the TLV |
(V30 – LAV30)∕TLV | The ratio of the lung without LAV receiving ≥30 Gy to the TLV |
(V2 − LAV2)∕(TLV – LAV) | The ratio of the lung without LAV receiving ≥2 Gy to the TLV without LAV |
(V5 – LAV5)∕(TLV – LAV) | The ratio of the lung without LAV receiving ≥5 Gy to the TLV without LAV |
(V10 – LAV10)∕(TLV – LAV) | The ratio of the lung without LAV receiving ≥10 Gy to the TLV without LAV |
(V20 − LAV20)∕(TLV – LAV) | The ratio of the lung without LAV receiving ≥20 Gy to the TLV without LAV |
(V30 – LAV30)∕(TLV – LAV) | The ratio of the lung without LAV receiving ≥30 Gy to the TLV without LAV |
LAV (cc) | Low attenuation volume |
LAV% | The ratio of LAV to the total lung volume |
TLV – LAV (cc) | Total lung volume without LAV |
MLD (Gy) | Mean lung dose |
MED (Gy) | Mean dose of the irradiated LAV, |
MLWED (Gy) | Mean lung without emphysema dose |