Add to circle. Enlarge Photo. car batteries are highly recyclable-AAA. A concern raised over upcoming electric-drive cars--the all-electric 2011 Nissan Leaf, the 2011 Chevrolet Volt, and the 2012 Toyota Prius Plug-In Hybrid --is what happens to their lithium-ion battery packs once the car's life ends.
Stage 4 cancer refers to the spreading of cancer to various sites in the body. It is a complex type of cancer to treat because it may often involve multiple organ systems such as the liver, lung and brain. However, stage 4 cancer patients shouldn't lose hope. Immunotherapy can oftentimes make all the difference in the world.
Stage 3 usually means the cancer is larger. It may have started to spread into surrounding tissues and there are cancer cells in the lymph nodes in the area. Stage 4 means the cancer has spread from where it started to another body organ.ometimes doctors aren't sure if a cancer has spread to another part of the body or not. They look at the lymph nodes near to the cancer. If there are cancer cells in these nodes, it is a sign that the cancer has begun to spread. Cancer doctors call this having positive lymph nodes.