A drug used to treat breast cancer that has come back or spread to other parts of the body. It is also used with carboplatin to treat advanced non-small cell lung cancer in patients who are not able to have surgery or radiation therapy. It is also used with gemcitabine hydrochloride to treat pancreatic cancer that has spread to other parts of the body. It is being studied in the treatment of other types of cancer. Paclitaxel albumin-stabilized nanoparticle formulation is a form of the anticancer drug paclitaxel and may cause fewer side effects than paclitaxel. It stops cancer cells from growing and dividing, and may kill them. It is a type of mitotic inhibitor and a type of antimicrotubule agent.