This special book edition of the journal Disease Markers concentrates on molecular biomarkers in cancer research. The main subjects of this book are: Prognostic and predictive markers in cancer; Statistical considerations in combining biomarkers for disease classification; Blood and urine markers for ovarian cancer; Use of markers for the detection and treatment of lung cancer; The promise of biomarkers in colorectal cancer detection; Development tracks for cancer prevention markers; Molecular markers for early detection of cervical neoplasia and Markers of prostate cancer detection, diagnosis and prognosis. This book contains contributions by an international board of experts on the topic.