Table 1.

Patients’ characteristics

	Patient 1	Patient 2	Patient 3	Patient 4	Patient 5
Gender	Male	Male	Female	Female	Female
Birth year	1958	1935	1937	1953	1941
TNM*	T3aNOMO	T2aNOMO	T4bN1aMO	T3aN1aMO	T4bN1aMO
Patological stage*	Stage IIa	Stage Ib	Stage IIIb	Stage IIIa	Stage IIIb
Breslow	4 mm	1.5 mm	10 mm	2.8 mm	9.5 mm
Ulceration	/	/	10 mm	/	2.5 mm
Localisation of primary tumor	Right lower leg	Left foot	Right foot	Right lower leg	Back
Localisation of metastases treated with ECT	Right lower leg	Left foot (dorsum)	Left lower leg	Right lower leg	Breast, left side

^*according to AJCC TNM Cancer Staging Manual 7^th edition (2010)⁶; ECT = electrochemotherapy