This study is looking at people with cancer to understand more about their condition through a special blood test. They will use a blood test called plasma ctDNA profiling. This test looks at tiny bits of cancer DNA in the blood over time. It's a non-interventional study, meaning you won’t be taking any new medicine or changing your treatment. The study will happen in many places (multicenter) and with different groups of people (multicohort). Participants need to be at least 18 years old and willing to give extra blood samples. You’ll also need to agree to be part of the study by signing a form.

• The study will take place at multiple locations with different groups of people.
• No new medicine or treatment changes are needed, just blood tests.
• You must be okay with giving extra blood samples for research.