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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.