Algorithms|Amino Acid Sequence|Biomarkers, Tumor|Database Management Systems|Databases, Protein|Diagnosis, Computer-Assisted|Humans|Information Storage and Retrieval|Molecular Sequence Data|Neoplasm Proteins|Neoplasms|Peptide Mapping|Reference Values|Sequence Analysis, Protein|Software|Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization