“…A total of 20 out to 21 studies indicated localization of an oncological disease: hematologic cancer [2], colon cancer [3], head and neck cancer [10,11], hematologic cancer [12,13,14], head and neck cancer [15,16,17,18,19,20], hematologic cancer [21], breast cancer [22], head and neck cancer [23,24,25,26,27], hematological cancer [28]. In all studies, the oncologic treatment method is described: chemotherapy [2], combined chemotherapy and radiotherapy [3,10,11], radiotherapy [11], chemotherapy [12,13,14], combined chemotherapy and radiotherapy [15,16], radiotherapy [17,18], combined chemotherapy and radiotherapy [18], chemotherapy [19], combined chemotherapy and radiotherapy [20], radiotherapy [20], chemotherapy [21], combined chemotherapy and radiotherapy [22,23], radiotherapy [24], combined chemotherapy and radiotherapy [25], radiotherapy [26], combined chemotherapy and radiotherapy [27], chemotherapy [28].…”