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Table 2 Tumor Characteristics

From: Intraoperative radiation therapy for advanced cervical metastasis: a single institution experience

Characteristic N (%)
Tumor margins  
   Close Margin 8 (3.4%)
   Negative Margin 129 (55.6%)
   Positive Margin 41 (17.7%)
   Margins Unknown 54 (23%)
Histology  
   Squamous Cell Carcinoma 210 (90.9%)
   Other 21 (9.1%)
Side of Neck for IORT  
   Anterior 5 (2.2%)
   Right 114 (49.4%)
   Left 91 (39.4%)
   Bilateral 21 (9.1%)
Perineural spread 30 (16.9%)
Lymphovascular involvement 29 (16.3%)
Extracapsular extension 22 (12.3%)
Vascular Invasion 27 (15.1%)
Dermal Invasion 37 (20.7%)
Carotid Involvement 60 (32.6%)