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Table 2 Distribution of the study population according to the primary tumor site

From: Solitary plasmacytoma: population-based analysis of survival trends and effect of various treatment modalities in the USA

Site Number (n) Percentage (%)
Bone (SBP) 977 57.78%
 Axial skeleton (c41) 831 49.14%
 Appendicular skeleton (c40) 146 8.63%
Extramedullary plasmacytoma(EMP) 540 31.93%
 Upper airway tract (Sino-nasal mouth and pharynx) (c00-14, c33-39) 211 12.48%
 Lower airway tract (c32-39) 54 3.19%
 Gastrointestinal Tract (c15- 26) 49 2.9%
 Soft tissue and connective tissue (c49) 77 4.55%
 Central nervous system (c69-72) 49 3.19%
 Lymph nodes (c27) 25 1.48%
 Skin (c44) 20 1.18%
 All other sites (c48,50,53,56,67,68,73,74) 55 3.25%
Plasmacytoma Unspecified (P-unspecified) [Hematopoietic and reticulo-endothelial (c42), unknown (c76,80)] 174 10.29%
Total 1691 100%