New tool aims to ease tough talks on cancer drug resistance

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients: 1. To be 18 years of age or older ; 2. To have metastatic uveal melanoma (MUM) or triple negative or luminal B breast cancer ; 3. To have received the information that the disease is resistant to treatment ; 4. To have read the information and signed the informed consent. * Parents of a sick child: 1. To be a parent (parental authority holder) of a child with cancer ; 2. To have received the information that the child disease is resistant to treatment ; 3. To have read the information and signed the informed consent. * Expert patients: 1. To be 18 years of age or older ; 2. To have had cancer (regardless the cancer site) ; 3. To participated to an expert patient training (fine knowledge of the illness, experience with the disease) ; 4. To have read the information and signed the informed consent. * Professionals: 1. To be an oncologist (medical oncologist, surgeon, radiotherapist, supportive care specialist) and/or to be a researcher in oncology (doctor, biologist, geneticist ...) ; 2. To have patients with a triple-negative or luminal B breast cancer or metastatic uveal melanoma which is resistant to anti-tumor treatments and/or to take part to a research on resistance to cancer treatment; 3. To have read the information and signed the informed consent. Exclusion Criteria: * Patients \& parents of a sick child: 1. To have difficulties in understanding the French language. 2. Have or have had cancer (criteria only for parents); 3. Pregnant woman, likely to be pregnant or breastfeeding (criteria only for patients). 4. Persons deprived of their liberty or under guardianship; 5. Impossibility of study requirements respect for geographical, social or psychological reasons. * Expert patients: 1. To have difficulties in understanding the French language ; 2. Currently being undergoing anti-tumor treatment. * Professionals: 1. To have difficulties in understanding the French language ; 2. Not to be confronted in professional practice with resistance to anti-tumor treatments.