Accès libre

Local control and survival after stereotactic body radiation therapy of early-stage lung cancer patients in Slovenia

À propos de cet article

Citez

FIGURE 1.

Local progression free survival (LPFS).
Local progression free survival (LPFS).

FIGURE 2.

Overall survival (OS) according to tumor verification.
Overall survival (OS) according to tumor verification.

FIGURE 3.

Overall survival (OS) according to number of comorbidities.
Overall survival (OS) according to number of comorbidities.

Treatment characteristics (n = 228)

Characteristic
Number of fractions Number of tumors %
  1 1 0.4
  2 2 0.9
  3 32 14.1
  4 3 1.3
  5 174 76.3
  8 16 7.0
Treatment characteristics Median Mean (range)
  PTV volume (cc) 22.4 30.6 (5.9–160.4)
  PTV max dose % 137.5 135.5 (104.7–151.4)
  ITV coverage % 100 99.7 (66.5–100)
  PTV coverage (V95) % 95 90.4 (32–100)
  PTV coverage (V99) % 99.8 99 (88.8–100)
  BED 115.5 112.3 (59.5–151.2)
Technique Number of patents %
  3D 62 27.2
  ARC 34 14.9
  VMAT 132 57.9

Patient characteristics (n = 206)

Characteristic Number %
Age mean in years (range) 71.2 (53–89)
Gender
  Male 113 54.9
  Female 93 45.1
Other malignancies*
  yes 96 46.6
  no 110 53.4
Number of comorbidities
  0–3 125 60.7
  > 3 81 39.3
Lung function (%) mean (range)
  FVC (data available for 153 pts) 87.7 (24–152)
  FEV1 (data available for 164 pts) 61.4 (17–144)
  DLCO (data available for 140 pts) 55.6 (15–120)
ECOG Performance status before radiotherapy
  0 17 8.3
  1 78 37.9
  2 81 39.2
  3 30 14.6
The reason for non-surgery
  Impaired lung function 92 44.7
  Comorbidity 85 41.3
  Patient refused 5 2.4
  Old age 4 1.9
  Combined reasons 20 9.7

Tumor characteristics (n = 228)

Characteristic Number %
Histology
  Adenocarcinoma 84 36.8
  Squamous cell carcinoma 38 16.7
  Small cell lung cancer 4 1.8
  NSCLC unspecified 19 8.3
  No tissue diagnosis 82 36.0
  Carcinoid 1 0.4
Location
  Left upper lobe 78 34.2
  Left lower lobe 31 13.6
  Right upper lobe 73 32.0
  Right middle lobe 11 4.8
  Right lower lobe 35 15.4
T stage
  1 194 85.1
  2 27 11.8
  3 7 3.1
eISSN:
1581-3207
Langue:
Anglais
Périodicité:
4 fois par an
Sujets de la revue:
Medicine, Clinical Medicine, Internal Medicine, Haematology, Oncology, Radiology