“…2,3 However, the risk of developing a STS is increased, just as for other cancers, as a secondary malignancy after local or total body irradiation, 4-8 chemotherapy, [9][10][11] immunosuppressive therapy, 4,5,[12][13][14][15] and bone marrow transplantation (BMT). 4,5,[8][9][10][11]14,16 Therefore, patients with hematopoetic system malignancies have an increased risk of secondary malignant tumors because their treatment regimen often involves all these treatment approaches to achieve a cure. 9,12,[15][16][17][18] Recent data suggest an association between graft-versus-host disease (GVHD) after BMT and the occurrence of secondary neoplasms.…”