Role of high-dose salvage radiotherapy for oligometastases of the localised abdominal/pelvic lymph nodes: a retrospective study

Table 4 Details of patients with Grade ≥ 3 gastrointestinal bleeding

N	Technique	Prophylactic nodal irradiation	Time from 1st RT to re-irradiation (months)	Time from 1st/2nd RT to bleeding (months)	^aEQD2 prescribed from 1st/cumulative RT (Gy)	Location of bleeding	Tumor control at bleeding	Grade	Therapy for bleeding
1	3DCRT	No	NA	13.2	61.8	large bowel	No	4	Emergency colonoscopy
2	3DCRT	Yes	15.2	34.1/18.9	44.3/82.3	small bowel	Yes	3	Blood transfusion
3	3DCRT	No	9.6	16.8/7.2	38.2/74.8	large bowel	Yes	3	Blood transfusion
4	SBRT	No	NA	9.6	28.2	small bowel	No	5	Best supportive care

N patient number, 3DCRT 3-dimentional conformal radiation therapy, SBRT Stereotactic Body Radiotherapy, 1st First, 2nd second, EQD2 equivalent dose in 2 Gy fraction, NA not applicable
^aPrescribed EQD2 for location of bleeding was evaluated with α/β = 3.Cumulative doses were estimated by fusing the first and second dose distributions

ISSN: 1471-2407