WHAT IS CANCER? HOW TO GET ONE BECOME A NORMAL CELL TUMOR? Cancer is a disease of DNA that can produce mass multicellular organism capable of killing in which more than 250 entities origina.Existen clínicopatológicas.Las producing pathways are a complex network of events that alters the proliferation behavior and cell survival. BASIC DEVELOPMENTS: genomic instability, accumulation of mutations, activation of oncogenes, Phenotype of transformed cells, inactivation of tumor suppressor genes, genetic damage cumulative, progressive accumulation of mutations, acquisition of tumor phenotype. Cancer is a renegade of growth that originates within the biosystem of a patient, more commonly known as the human body. There are many different types of cancers, but all share one feature contrast: unchecked growth that progresses toward limitless expansion.