“…Among 33 studies, nine studies were clinical trials (10–12, 14, 15, 19–22), with eight retrospective case series (16, 17, 23–28), and 16 case reports (13, 29–43). Imatinib was assessed in 18 studies with a total of 221 patients (10, 16, 17, 19, 23–28, 32, 34–36, 38, 39, 41, 42), erlotinib in 10 studies with 16 patients (13, 17, 22, 33, 35, 38, 40–42), cetuximab in five studies (seven patients) (13, 30, 31, 33, 41), sorafenib in four studies (65 patients) (15, 17, 21, 37), pazopanib in four studies with seven patients (16, 28, 41, 43) and sunitinib in three studies with 11 patients (14, 17, 28). Sirolimus, thalidomide, bevacizumab, gefitinib, linsitinib, and everolimus were accessed in two studies each (13, 22, 25, 28–31, 33, 34, 40–42), whereas dasatinib (32 patients) (11), lapatinib (18 patients) (12), rapamycin (one patients) (34), temosirolimus (one patients) (17) and yeast-brachyury (GI-6301) vaccine (11 patients) (20) were only analyzed in one study each (Figures 2 and 3).…”