While the headline that “a cure for cancer has been found” is the ultimate hope of humanity, it is biologically inaccurate to speak of a single cure because cancer is not a single disease A universal “silver bullet” is scientifically improbable because a treatment that eradicates leukemia (a liquid tumor) often has no effect on pancreatic cancer (a solid tumor protected by a dense stromal barrier). However, we have entered a revolutionary era of functional cures.Therapy and Checkpoint Inhibitors re-engineer the body’s own immune system.