e-Motion : Promoting Emotion Regulation in Chronic Cancer

Inclusion Criteria: * Having received a diagnosis of chronic cancer (metastatic breast cancer, metastatic melanoma, metastatic colorectal, metastatic ovarian, metastatic uterine, metastatic endometrial, metastatic prostate, metastatic bladder, metastatic kidney or metastatic testicular cancer, symptomatic multiple myeloma, metastatic non-small cell lung, metastatic mesothelioma or metastatic thymoma) in the past 12 months, * Having completed at least one active treatment session (e.g., chemotherapy, surgery, radiotherapy, immunotherapy, target therapy). Exclusion Criteria: * Having less than one year of life expectancy * Having more than one treatment line (for triple negative breast cancer, melanoma, gynecological cancer, colorectal cancer, bladder cancer, kidney cancer, non-small cell lung, mesothelioma and thymoma) or two treatment lines (for other breast cancers and testicular cancer) or three treatment lines (for prostate cancer and multiple myeloma), * Having a diagnosis of oligometastatic cancer, * Age \< 18 years, * Non-fluency in French, * Inability to follow the online intervention, * Severe cognitive impairment, and severe and/or acute psychiatric disorder.