Table 1.

Description of the ten canine patients.

Patient no.	Breed	Age [years]	Weight [kg]	Target site	Diagnosis	State of disease	Post-op RT?	Est. gross tumor volume [cm3]
1	French Bulldog	7	13.9	Front limb	Soft tissue sarcoma	Grade 1	Yes	n/a
2	Xoloitzcuintle	10	10.3	Front limb	Soft tissue sarcoma	Grade 1	Yes	n/a
3	French Bulldog	7	12.7	Front limb	Mast cell tumor	Grade 2	Yes	n/a
4	Sibirian Husky	11	15.9	Hind limb	Plasmacytoma	n/a	No	1.3
				Hind limb	Soft tissue sarcoma	Unknown	No	11
5	Labrador Retriever	11	42.0	Eyelid	Melanoma	Amelanotic malignant	Yes†	0.3
				Eyelid	Melanoma	Amelanotic malignant	Yes	0.5
6	Border Collie	13	9.7	Oral (mandible)	Basosquamous carcinoma	Unknown	Yes†	2.6
7	Pug	8	11.6	Ear	Mast cell tumor	Unknown	No	0.5
				Eyelid	Mast cell tumor	Unknown	No	0.5
8	Cross breed	10	5.0	Oral (lip)	Mast cell tumor	Unknown	No	0.1
9	Bull Terrier	6	15.1	Abdomen	Mast cell tumor	S.C MI 5/10 HPF	No	80
10	Labrador Retriever	10	42.0	Intranasal	Squamous cell carcinoma	Unknown	No	2.0

^†For patients no. 5 and 6, the surgery prior to FLASH-RT was performed with unclean margins and there was local recurrence prior to initiating FLASH-RT.