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Table 1 Characteristics of 246 NPC patients with lung metastasis(es) alone at diagnosis or the first failure.

From: Factors determining the survival of nasopharyngeal carcinoma with lung metastasis alone: does combined modality treatment benefit?

Characteristics No. of patients (%)
Age (years) a  
   ≤ 45 130 (52.8)
   > 45 116 (47.2)
Gender  
   Male 196 (79.7)
   Female 50 (20.3)
Histology  
   WHO type I 3 (1.2)
   WHO type II 7 (2.8)
   WHO type III 236 (96.0)
EBV VCA-lgAb  
   ≤ 320:1c 100 (40.7)
   > 320:1 70 (28.5)
EBV EA-lgAb  
   ≤ 40:1d 112 (45.5)
   > 40:1 58 (23.6)
UICC T classification  
   T1-2 97 (39.4)
   T3-4 149 (60.6)
UICC N classification  
   N0 41 (16.7)
   N1-3 205 (83.3)
UICC M classification  
   M0 201 (81.7)
   M1 45 (18.3)
Lung metastasis  
   DFI (years)  
≤ 1 92 (37.4)
1-3 86 (35.0)
> 3 68 (27.6)
Metastasis site  
   Unilateral 118 (48.0)
   Bilateral 128 (52.0)
Metastasis number  
   Solitary 82 (33.3)
   Multiple 164 (66.7)
Metastasis size (cm) e  
   ≤ 2 147 (59.8)
   > 2 99 (40.2)
  1. Abbreviation: NPC, nasopharyngeal carcinoma; WHO, World Health Organization; UICC, International Union Against Cancer; DFI, disease-free interval.
  2. a Median age;
  3. b Data was available for 170 cases;
  4. c Median EBV VCA lgA;
  5. d Median EBV EA lgA;
  6. eMedian metastasis size.