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.
Non-small cell lung cancers (NSCLC) are assigned a stage from I to IV in order of severity. 1  In stage I, the cancer is confined to the lung. 2  In stages II and III, the cancer is confined to the lung and, possibly, the lymph nodes. 3  Stage IV cancer has spread outside of the lung to other parts of the body.