3Hawkins MA, Dawson LA. Radiation therapy for hepatocellular carcinoma: from palliation to cure[-J3. Cancer, 2006,106 : 1653.
4Leyla Moghaddasi, Eva Bezad, Loredana G, et al. Current chal- lenges in clinical target volume definition.. Tumour margins and microscopic extensions [J]. Acta OncoIogiea,2012,51:984-995.
5Park W, Lira DH, Paik SK, et al. Local radiotherapy for pa- tients with unresectable hepatocelluar carcin.omaEK~. Int J Radi- at Oncol Biol Phys, 2005,61 .. 1143-1150.
6Siegel R, Naishadham D,Jemal A. Cancer statistics,2012 [J]. CA Cancer J Clin, 2012,62..10-29.
7Wang MH, Ji Y, Zeng ZC, et al. Impact factors for microinva- sion in patients with hepatoeellular carcinoma: Possible applica- tion to the definition of clinical tumor volume [J]. Int J Radiat Oncol Biol Phys, 2010,76 (2) : 467 -476.