Which two cancers typically extend into the brachial plexus?   Tumors at the lung apex and breast cancer typically extend or spread to the brachial plexus.  Lymphoma can also extend into the brachial plexus but typically do at a lower frequency.

What is the primary medication used to manage pain from bone metastasis?   Bisphosphonates are usually the primary medication used to manage bone metastasis.

What EMG pattern do you expect to see in vincristine neuropathy?   You would expect to see axon loss, motor greater than sensory, polyneuropathy. Referenced from Physical Medicine & Rehabiliation by Randall L. Braddom.