CASE 100 History: A 54-year-old man presents with midback swelling. 1. What should be included in the differential diagnosis? (Choose all that apply.) a. Fibromatosis b. Abscess d. Sarcoma e. Metastasis 2. What is the most common type of soft tissue sarcoma in adults? a. Pleomorphic undifferentiated sarcoma b. Liposarcoma d. Fibrosarcoma 3. Which of the following is the least common location of soft tissue sarcomas? b. Thigh c. Proximal arm 4. Which of the following statements regarding fibrosarcoma is true?
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