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 0. Stage 0 cancer is also called carcinoma in situ. It is equivalent to CIN III pre-invasive cancer. In stage 0, the cancer cells are confined to the first layer of cervical tissue (the epithelium) lining the cervix and have not yet spread further in the cervix. In stage IB, the cancer is either visible without a microscope, or it is still microscopic but is more than 5 mm deep or 7 mm wide. 2  Cancer that can be seen without a microscope is divided into Stage 1B1 and Stage 1B2. 3  In stage 1B1, the cancer is smaller than 4 cm.