Table 1.

Outline of the tele-medicine questionnaire, based on the Common Terminology Criteria for Adverse Events (CTCAE) v.5 (upper part) and European Organization for Research and Treatment of Cancer (EORTC) QLQ-BR23 (lower part) questionnaires

0		1	2	3
Radiation dermatitis	None	Faint erythema Dry desquamation	Moderate to brisk erythema, mostly in skin folds Moderate oedema	Confluent moist desquamation, other than skin folds Bleeding induced by minor trauma
Breast oedema		Asymptomatic	Symptomatic (pain or psychosocial impact)	Severe symptoms Intervention needed Enlarge radiation therapy fields
Pain of skin		Mild	Moderate pain Limiting instrumental ADL	Severe pain Limiting self-care ADL
Fatigue		Relieved by rest	Fatigue not relieved by rest Limiting instrumental ADL	Fatigue not relieved by rest Limiting self-care ADL
	0	1	2	3
Did you have any pain in your arm or shoulder?	Not at all	A little bit	Quite a bit	Very much
Did you have a swollen arm or hand?
Was it difficult to raise your arm or to move it sideways?
Have you had any breast pain?
Have you had any increased breast sensitivity?
Have you had skin problems on the breast (e.g. itchy, dry, flaky)?

ADL, activities of daily living.