Table 1.

Detailed planning data for each analyzed patient

Patient number	Disease	Anatomical location of PTV	PTV volume [cm3]	Field size dimensions [cm]	Beam energy [MeV]	Maximum depth of PTV [cm]
1	Basal cell carcinoma	Inner canthus	1.00	ø 3.0	6	0.56
2	Basal cell carcinoma	Inner canthus	2.63	ø 3.0	6	1.10
3	Basal cell carcinoma	Outer canthus (lower eyelid)	7.53	6.7 × 3.9	6 and 9	1.80
4	Basal cell carcinoma	Inner canthus	5.99	3.5 × 3.2	6	1.00
5	Basal cell carcinoma	Inner canthus	2.39	ø 3.0	9	2.00
6	Basal cell carcinoma	Inner canthus	1.51	ø 3.2	6	1.00
7	Basal cell carcinoma	Inner canthus	2.14	ø 3.1	6	0.84
8	Squamous cell carcinoma	Inner canthus and lower eyelid	10.00	7.5 × 6.6	9	2.60
9	Squamous cell carcinoma	Inner canthus and lower eyelid	7.51	5.8 × 4.3	9	1.56
10	Basal cell carcinoma	Inner canthus and lower eyelid	1.17	3.9 × 2.5	6	0.70
11	Basal cell carcinoma	Inner canthus	1.30	ø 3.0	6	0.60