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.
The stage of a cancer tells the doctor how far it has grown. It is important because decisions about treatment are often made according to the stage of a cancer. There are different ways of staging cancers. The numbered staging system for primary liver cancer has 4 main stages.tage 4B. The cancer is any size and there may be more than one tumour. It may have grown into blood vessels or the organs around the liver. It may or may not have spread into lymph nodes, but has spread to another part of the body such as the lungs or bones.