Blood smear: Like the CBC, a blood smear gives a blood cell count. It also shows the shape of your blood cells. This helps your doctor know if you have PV and how advanced it might be. The blood ...

Anisopoikilocytosis is when you have red blood cells that are of different sizes and shapes. It has several possible causes. Results from a blood smear can also find mild anisopoikilocytosis.

Researchers have long struggled to understand how cancer cells hijack one of these proteins-called polymerase theta ...