Chronic myeloid leukemia (CML) is a rare type of blood cancer and occurs when the bone marrow makes too many of one type of white blood cell, called myeloid cells. Almost all CML cases are caused by an abnormal chromosome called the Philadelphia chromosome.
These are new 18X24 Quality Picture Mats. The Openings are Bevel cut 12.5 x 18.5 to fit a 13X19 photo or print. These mats are cut from Quality white core mat board and are excellent for framing photos or prints.
On the back of the second mat board, trace the measurements of the picture where you plan to cut the window frame. For most small-to-medium sized pictures, a window mat with a width of around .5â1.5 will provide a nice frame for the picture without covering too much of it.