To make an inventory of the physiotherapeutic care and the post-operative complications of patients who have undergone lumpectomy, sentinel node and radiotherapy treatment.

The investigators expect to see a lack of consultation of physiotherapists by patients despite a significant number of complications, impacting the quality of life.

This study is observational and descriptive. For this purpose, patients meeting the inclusion and non-inclusion criteria can answer, if they wish, to an online questionnaire after having read the information and non-opposition letter.

Inclusion Criteria:

• Volunteer Patients
• Patients with a good command of French in order to understand the letter of information and the questionnaire.
• Patients treated at the "Couple Enfant Hospital" in Grenoble. We have chosen to take patients who have been operated on at least 3 months ago (average time of end of radiotherapy).

Exclusion Criteria:

• Patient having undergone a mastectomy or chemotherapy
• Patient with difficulties understanding, expressing or reading the French language
• Vulnerable patient or patient with impaired cognitive capacities (dementia, confusion)
• Patient subject to a legal protection measure or out of state to express her opposition (guardianship, curatorship)

The study involves breast cancer patients who have undergone the following treatment: lumpectomy, sentinel node and radiotherapy.