[1] Civilian Hosp, Dept Oncol, Avezzano, Italy
[2] Civilian Hosp, Dept Intervent Radiol, Avezzano, Italy
[3] Carlo Ferri Fdn, Rome, Italy
[4] Univ Aquila, Dept Internal Med & Publ Hlth, I-67100 Laquila, Italy
[5] Univ Aquila, Dept Expt Med, I-67100 Laquila, Italy