1. Adipose tissue

 a. Lipoma
  i. Intramuscular
  ii. Intermuscular
 b. Liposarcoma

2. Vascular and lymphatic
 a. Hemangioma
 b. Lymphangioma
 c. Angiosarcoma/lymphangiosarcoma

3. Fibrous and fibrohistiocytic
 a. Fibromatoses
  i. Palmar (Dupuytren contracture)
  ii. Plantar
  iii. Intraabdominal (Gardner syndrome)
  iiii. Extraabdominal (aggressive)
 b. Fibrosarcoma
 c. Malignant fibrous histiocytoma

4. Muscle
 a. Leiomyosarcoma
 b. Rhabdomyosarcoma

5. Peripheral nerve
 a. Neurofibroma
 b. Schwannoma
 c. Malignant peripheral nerve sheath tumor
 d. Morton neuroma

6. Synovial
 a. Localized giant cell tumor of tendon sheath (nodular tenosynovitis)
 b. Ganglion
 c. Synovial sarcoma

7. Bone and cartilage forming
 a. Myositis ossificans
 b. Extraskeletal osteosarcoma
 c. Extraskeletal chondrosarcoma