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Table 2 Comparisons of clinical features according to location of previously reported 102 LGMS cases and the present case

From: Low-grade myofibroblastic sarcoma of the levator scapulae muscle: a case report and literature review

  Head and neck Trunk Extremity Total
Number of cases 53 (51.5%) 26 (25.2%) 24 (23.3%) 103
Size (cm) 2.7 cm (0.4–5.9) 7.5 cm (1.2–22.0) 4.9 cm (1.5–11.0) 4.4 cm (0.4–22.0)
LGMS of soft tissue 41/47 (87.2%) 11/12 (91.6%) 12/19 (63.3%) 64/78 (82.0%)
 SC (+D) 7/47 (14.9%) 4/12 (33.3%) 4/19 (21.1%) 15/78 (19.2%)
 SM (+Mu) 21/47 (44.7%) 1/12 (8.4%) 0/19 (0%) 22/78 (28.2%)
 IM 11/47 (23.4%) 2/12 (16.6%) 4/19 (21.1%) 17/78 (21.8%)
 Others 2/47 (4.2%) 4/12 (33.3%) 4/19 (21.1%) 10/78 (12.8%)
LGMS of bone 6/47 (12.8%) 1/12 (8.4%) 7/19 (36.7%) 14/78 (18.0%)
Infiltrative pattern
 Yes 28/29 (96.6%) 10/14 (71.4%) 6/9 (66.7%) 44/52 (84.6%)
 No 1/29 (3.4%) 4/14 (28.6%) 3/9 (33.3%) 8/52 (15.4%)
  1. LGMS Low-grade myofibroblastic sarcoma, D Dermis, SC Subcutaneous, Mu Mucosa, SM Submucosa, IM Intramuscular