NCI Cancer Research Data Ecosystem. NCI is building a data ecosystem to promote the sharing of clinical, genomic, proteomic, imaging, preclinical, and patient histories and outcomes data among stakeholders to impact cancer care. In the present, NCI collects and sponsors the collection of many types of data, provides a platform to harmonize, integrate, and analyze the data. In the future, NCI will expand the infrastructure to support a greater volume of data and new types of data.