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Table 1 General characteristics of the 42 patients included in this study

From: Side effects of CT-guided implantation of 125I seeds for recurrent malignant tumors of the head and neck assisted by 3D printing non co-planar template

Characteristics Cases
Sex
 Male 28
 Female 14
Age (years) Median of 61 (29–79)
KPS (points) Median of 80 (70–90)
Primary disease
 Nasopharyngeal carcinoma 4
 Oral cancer 4
 Soft-tissue sarcoma of head and neck 3
 Hypopharyngeal cancer 2
 Oropharyngeal cancer 2
 Laryngeal cancer 2
 Salivary-gland cancer 2
 Thyroid cancer 1
 Lymph-node metastasis of unknown primary cancer 1
 Esophageal cancer 8
 Cervical cancer 3
 Lung cancer 3
 Breast cancer 1
 Colon cancer 1
Staging at first visit
 II 6
 III 22
 IV 14
Previous surgery
 Once 21
 Twice 4
 Thrice 1
 Four times 1
Previous radiotherapy
 Once 28
 Twice 8
Previous cumulative dose (Gy)
  ≤ 50 2
 50–70 25
 70–135 6
 Unknown 3
Neoadjuvant/adjuvant chemotherapy
 Yes 29
 No 13
Site of implantation
 Head and maxillofacial 16
 Lymph node of neck 26
  1. KPS Karnofsky performance status