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*Not all (large) retroperitoneal adipocytic tumours are liposarcomas. | *Not all (large) retroperitoneal adipocytic tumours are liposarcomas. | ||
*Prognosis - good-to-moderate dependent on stage. | *Prognosis - good-to-moderate dependent on stage. | ||
**Five year survival in one series (per AJCC 6th edition): stage I = 96%, stage II = 58% stage III = 42%.<ref name=pmid19101765>{{Cite journal | last1 = Anaya | first1 = DA. | last2 = Lahat | first2 = G. | last3 = Wang | first3 = X. | last4 = Xiao | first4 = L. | last5 = Tuvin | first5 = D. | last6 = Pisters | first6 = PW. | last7 = Lev | first7 = DC. | last8 = Pollock | first8 = RE. | title = Establishing prognosis in retroperitoneal sarcoma: a new histology-based paradigm. | journal = Ann Surg Oncol | volume = 16 | issue = 3 | pages = 667-75 | month = Mar | year = 2009 | doi = 10.1245/s10434-008-0250-2 | PMID = 19101765 }}</ref> | **Five year survival for retroperitoneal liposarcoma in one series (per AJCC 6th edition): stage I = 96%, stage II = 58% stage III = 42%.<ref name=pmid19101765>{{Cite journal | last1 = Anaya | first1 = DA. | last2 = Lahat | first2 = G. | last3 = Wang | first3 = X. | last4 = Xiao | first4 = L. | last5 = Tuvin | first5 = D. | last6 = Pisters | first6 = PW. | last7 = Lev | first7 = DC. | last8 = Pollock | first8 = RE. | title = Establishing prognosis in retroperitoneal sarcoma: a new histology-based paradigm. | journal = Ann Surg Oncol | volume = 16 | issue = 3 | pages = 667-75 | month = Mar | year = 2009 | doi = 10.1245/s10434-008-0250-2 | PMID = 19101765 }}</ref> | ||
Notes: | Notes: | ||
*Retroperitoneal sarcomas: #1: liposarcoma, #2: [[pleomorphic undifferentiated sarcoma]], #3: leiomyosarcoma, #4: [[MPNST]]. | *Retroperitoneal sarcomas: #1: liposarcoma, #2: [[pleomorphic undifferentiated sarcoma]], #3: [[leiomyosarcoma]], #4: [[MPNST]]. | ||
**Extremely rare in retroperitoneum: [[synovial sarcoma]]. | **Extremely rare in retroperitoneum: [[synovial sarcoma]]. | ||
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