Assessment of Compliance With Monitoring Conducted by a Physician in Person or by a Nurse in Remote Monitoring

This French study is comparing two follow-up methods for cancer patients who need long-term monitoring after treatment: regular in-person visits with a doctor versus remote monitoring done by a nurse. The goal is to see if nurse-led remote monitoring is just as effective and better accepted by patients. **You may be eligible if...** - You are 18 or older and were diagnosed with cancer within the past 12 months - Your cancer is in one of these categories: desmoid tumors, early-stage testicular cancer, low-risk GIST, certain rare gynecological cancers, low-grade glioma, or low-grade neuroendocrine tumors - You have already had surgery or are under active surveillance **You may NOT be eligible if...** - Your cancer is not in one of the qualifying categories - You have not yet received a confirmed tissue diagnosis Talk to your doctor to see if this trial is right for you.