Mix of Solid Tumors (MOST)

The purpose of this observational study is to collect clinical information, blood, and tumor tissue samples from participants diagnosed with stage I, stage II, or operable stage III cancer in select solid tumors. The information collected will be used to develop tests to better understand cancer, for example, to improve cancer detection and to assess the risk of cancer coming back. Participants will receive routine standard of care from their doctor and their involvement is expected to last for approximately five and a half (5.5) years.