
The phase 3 EXCALIBER-RRMM trial supports iberdomide plus daratumumab and dexamethasone as a new standard of care in relapsed/refractory multiple myeloma.
A 38-year-old man presents with a history of pain and swelling in the left forearm. Physical examination shows the presence of a soft-tissue mass. Surgical resection is performed.
What is your diagnosis?






