1 Chronic lymphocytic leukemia is a type of cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell). 2  Leukemia may affect red blood cells, white blood cells, and platelets.3  Older age can affect the risk of developing chronic lymphocytic leukemia. Chronic lymphocytic leukemia is a type of cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell). 2  Leukemia may affect red blood cells, white blood cells, and platelets. 3  Older age can affect the risk of developing chronic lymphocytic leukemia.
At the end of July would mean within the last two weeks of July, more or less. And by the end of July means before August 1, which could mean 3 â¦seconds from now, next week, May 1, June17, July 23, etc.
The end date is usually on the 23rd of March. Due to the rotation of the Earth, when it is summertime in one hemisphere it is winter on the opposite end. Keep in mind that these dates are only approximations. In some countries, the length of the summer season can be much longer. In some Southeast Asian countries, the season starts in late February and ends in June. Hot Weather. The most visible and widely felt element of the season is the heat.