• 1
    Gadd MA,Casper ES,Woodruff JM, et al. Development and treatment of pulmonary metastases in adult patients with extremity soft tissue sarcoma. Ann Surg. 1993; 218: 705712.
  • 2
    Van Glabbeke M,van Oosterom AT,Oosterhuis JW, et al. Prognostic factors for the outcome of chemotherapy in advanced soft tissue sarcoma: an analysis of 2,185 patients treated with anthracycline-containing first-line regimens—a European Organization for Research and Treatment of Cancer Soft Tissue and Bone Sarcoma Group Study. J Clin Oncol. 1999; 17: 150157.
  • 3
    Billingsley KG,Lewis JJ,Leung DH, et al. Multifactorial analysis of the survival of patients with distant metastasis arising from primary extremity sarcoma. Cancer. 1999; 85: 389395.
  • 4
    Billingsley KG,Burt ME,Jara E, et al. Pulmonary metastases from soft tissue sarcoma: analysis of patterns of diseases and postmetastasis survival. Ann Surg. 1999; 229: 602610; discussion1999;610–612.
  • 5
    Casson AG,Putnam JB,Natarajan G, et al. Five-year survival after pulmonary metastasectomy for adult soft tissue sarcoma. Cancer. 1992; 69: 662668.
  • 6
    Choong PF,Pritchard DJ,Rock MG, et al. Survival after pulmonary metastasectomy in soft tissue sarcoma. Prognostic factors in 214 patients. Acta Orthop Scand. 1995; 66: 561568.
  • 7
    Robinson MH,Sheppard M,Moskovic E, et al. Lung metastasectomy in patients with soft tissue sarcoma. Br J Radiol. 1994; 67: 129135.
  • 8
    van Geel AN,Pastorino U,Jauch KW, et al. Surgical treatment of lung metastases: the European Organization for Research and Treatment of Cancer-Soft Tissue and Bone Sarcoma Group study of 255 patients. Cancer. 1996; 77: 675682.
  • 9
    Frost DB. Pulmonary metastasectomy for soft tissue sarcomas: is it justified? J Surg Oncol. 1995; 59: 110115.
  • 10
    Porter GA,Cantor SB,Walsh GL, et al. Cost-effectiveness of pulmonary resection and systemic chemotherapy in the management of metastatic soft tissue sarcoma: a combined analysis from the University of Texas M. D. Anderson and Memorial Sloan-Kettering Cancer Centers. J Thorac Cardiovasc Surg. 2004; 127: 13661372.
  • 11
    Lanza LA,Putnam JBJr,Benjamin RS, et al. Response to chemotherapy does not predict survival after resection of sarcomatous pulmonary metastases. Ann Thorac Surg. 1991; 51: 219224.
  • 12
    Rubin DB. Estimating causal effects from large data sets using propensity scores. Ann Intern Med. 1997; 127: 757763.
  • 13
    Rubin DB. The design versus the analysis of observational studies for causal effects: parallels with the design of randomized trials. Stat Med. 2007; 26: 2036.
  • 14
    Elkin EB,Hurria A,Mitra N, et al. Adjuvant chemotherapy and survival in older women with hormone receptor-negativebreast cancer: assessing outcome in a population-based, observational cohort. J Clin Oncol. 2006; 24: 27572764.
  • 15
    Adjuvant chemotherapy for localised resectable soft-tissue sarcoma of adults: meta-analysis of individual data. Sarcoma Meta-analysis Collaboration. Lancet. 1997; 350: 16471654.
  • 16
    Brennan MF,Singer S,O'Sullivan B,Maki RG. Sarcomas of the Soft Tissue and Bone: Soft Tissue Sarcoma. In: DeVitaVT,HellmanS,RosenbergSA, eds. Cancer: Principles and Practice in Oncology,7th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2005: 15811637.
  • 17
    Frustaci S,Gherlinzoni F,De Paoli A, et al. Adjuvant chemotherapy for adult soft tissue sarcomas of the extremities and girdles: results of the Italian randomized cooperative trial. J Clin Oncol. 2001; 19: 12381247.
  • 18
    Frustaci S,De Paoli A,Bidoli E, et al. Ifosfamide in the adjuvant therapy of soft tissue sarcomas. Oncology. 2003; 2(65 suppl ): 8084.
  • 19
    Frustaci S,Berretta M,Comandone A, et al. Adjuvant treatment of high-risk adult soft tissue sarcomas: a survey by the Italian Sarcoma Group. Tumori. 2006; 92: 9297.
  • 20
    Eilber FC,Eilber FR,Eckardt J, et al. The impact of chemotherapy on the survival of patients with high-grade primary extremity liposarcoma. Ann Surg. 2004; 240: 686695; discussion 695–697.
  • 21
    Grobmyer SR,Maki RG,Demetri GD, et al. Neo-adjuvant chemotherapy for primary high-grade extremity soft tissue sarcoma. Ann Oncol. 2004; 15: 16671672.
  • 22
    Pisters PW. Preoperative chemotherapy and split-course radiation therapy for patients with localized soft tissue sarcomas: home run, base hit, or strike out? J Clin Oncol. 2006; 24: 549551.
  • 23
    Cormier JN,Huang X,Xing Y, et al. Cohort analysis of patients with localized, high-risk, extremity soft tissue sarcoma treated at 2 cancer centers: chemotherapy-associated outcomes. J Clin Oncol. 2004; 22: 45674574.