The failure of the dams came as a big surprise. Johnstown had constructed an entire system designed to completely eliminate the flood risk. In addition, regular inspections had turned up no defects. Still, the dams were no match for the thunderstorm that stalled over the area on July 20.
Common types of blood cancer include: 1  Leukemia: Cancer that originates in blood-forming tissue. 2  Non-Hodgkin lymphoma: Cancer that develops in the lymphatic system from cells called lymphocytes, a type of white blood cell that helps the body fight infections. Non-Hodgkin lymphoma: Cancer that develops in the lymphatic system from cells called lymphocytes, a type of white blood cell that helps the body fight infections. 2  Hodgkin lymphoma: Cancer that develops in the lymphatic system from cells called lymphocytes.
Types of breast cancer. This section tells you about the different types of breast cancer. First, there is information about two very early types called ductal carcinoma in situ (DCIS) and lobular carcinoma in situ (LCIS).The other pages in this section are about particular types of invasive breast cancer.There is also a page about breast cancer in men. You can choose from the following menu. 1  DCIS-ductal carcinoma in situ. 2  LCIS-lobular carcinoma in situ. 3  Invasive breast cancer (NST).4  Invasive lobular breast cancer. 5  Inflammatory breast cancer.he other pages in this section are about particular types of invasive breast cancer. There is also a page about breast cancer in men. You can choose from the following menu. 1  DCIS-ductal carcinoma in situ. 2  LCIS-lobular carcinoma in situ. 3  Invasive breast cancer (NST). 4  Invasive lobular breast cancer.