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Table 1 Patient characteristics

From: High-dose proton beam therapy for sinonasal mucosal malignant melanoma

Category Number
Gender  
Male:Female 12:8
Median age (years, range) 74 (55–81)
Tumor size (mm, range) 19.5 (7.0–130.2)
Primary site  
 Nasal cavity 12
 Paranasal sinus 8
Clinical stage  
 T3N0M0 9
 T4aN0M0 8
 T4bN0M0 3
Pathological subtype  
 Small cell type 11
 Spindle cell type 5
 Epithelioid type 4