1. Data Collection: Gather genomic data from cancer samples, including mutations, copy number variations, and gene expression levels. 2. Data Processing: Normalize and preprocess the data to ensure consistency and accuracy. 3. Visualization: Use specialized software tools like cBioPortal, OncoPrinter, or Integrative Genomics Viewer (IGV) to generate the oncoprint. These tools offer various customization options to highlight specific genetic alterations and relationships.