Systemic therapy treatment patterns. Treatment patterns according to (A) therapy line, and (B) second-line and third-line systemic therapy received according to histological subtype. *Patients were required to have at least one second-line systemic therapy for soft tissue sarcomas to be eligible for this study. Therefore, the first-line therapy distribution was based on those patients receiving at least one additional line of therapy (i.e. second-line or second-line plus additional lines of therapy).