Table 1.

Patient and disease characteristics

CharacteristicAll patients (N = 71)RT only (n = 36)Combined therapy (n = 29)RT-only vs combined therapy, PSystemic therapy only (n = 6)
Age
 Median (range), y39 (18-73)38 (18-69)40 (22-73)49 (31-68)
 ≥45 y30 (42)15 (42)11 (38).8034 (67)
Male53 (75)26 (72)23 (79).5734 (67)
Disease stage
 I28 (39)22 (61)6 (21).0010
 II43 (61)14 (39)23 (79)6 (100)
Disease location
 Above diaphragm56 (79)32 (89)21 (72).1143 (50)
 Below diaphragm15 (21)4 (11)8 (28)3 (50)
 Mediastinal involvement3 (4)2 (6)1 (3)1.000
ECOG PS
 064 (90)33 (92)27 (93)1.004 (67)
 17 (10)3 (8)2 (7)2 (33)
B symptoms5 (7)04 (14).0351 (17)
Extranodal disease4 (7)1 (3)3 (10).3160
Histologic pattern
 Typical48 (68)28 (78)17 (59).1133 (50)
 Variant23 (32)8 (22)12 (41)3 (50)
PET-CT imaging60 (85)29 (81)25 (86).7426 (100)
Tumor size*
 Median (range), cm3.0 (1.2-8.5)3.0 (1.4-6.9)3.3 (1.2-8.5)2.8 (1.2-3.0)
 ≥5 cm8 (11)3 (8)5 (18).2820
  • Unless otherwise noted, all data are n (%).

  • ECOG PS, Eastern Cooperative Oncology Group Performance Status score.

  • * Tumor size was unavailable for 1 patient.