Table 1. The overall case numbers of pet rabbits diagnosed with tumors and tumor-like lesions are categorized by organ systems and sex.

Organ systems	Case numbers
	Tumors			Tumor-like lesions			Total cases
	Female	Male	Total (% of all tumors)	Female	Male	Total (% of all tumor-like lesions)	Female	Male	Total (% of all cases)
Reproductive system	32	9	41 (65.08)	27	1	28 (93.33)	59	10	69 (74.19)
Integumentary system	3	11	14 (22.22)	0	1	1 (0.33)	3	12	15 (16.13)
Mammary gland	3	0	3 (4.76)	0	0	0 (0)	3	0	3 (3.23)
Urinary system	0	1	2 (3.17)	1	0	0 (0)	1	1	2 (2.15)
Respiratory system	1	1	2 (3.17)	0	0	0 (0)	1	1	2 (2.15)
Gastrointestinal system	1	1	1 (1.59)	0	0	1 (0.33)	1	1	2 (2.15)
Total	40	23	63	28	2	30	68	25	93