Cancer is not diagnosed by blood tests alone. As well as finding out how well organs in the body are working, you may be tested for a cancer marker. Markers are chemical substances that can show up in the blood of patients with some types of cancer.There are two markers that some pancreatic cancers may produce â CEA and CA19-9.s well as finding out how well organs in the body are working, you may be tested for a cancer marker. Markers are chemical substances that can show up in the blood of patients with some types of cancer. There are two markers that some pancreatic cancers may produce â CEA and CA19-9.
1 It never gets really hot (like in the rainforest) or really cold (like in the Taiga) in the temperate forest. 2  The temperature is generally between minus 20 degrees F and 90 degrees F. 3  Four seasons-There are four distinct seasons: winter, spring, summer, and fall. 4  Each season is about the same length of time.
The Temperate Deciduous Forest. Temperate deciduous forests can be found in the eastern part of the United States and Canada, most of Europe and parts of China and Japan. The temperate deciduous forest is a biome that is always changing. It has four distinct seasons: winter, spring, summer and fall.