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.
Many standard frames also come with a mat. This allows the buyer to use the frame as two different sizes: one larger size without the mat, and a smaller size with the mat in place. An 8 x 10 standard frame may come with a 1-1/2 mat, which allows you to frame a 5 x 7 image as well.