stage 4 throat cancer
has three subtype a,b,c. stage IVa is operable T4 Stage where surgery followed by radiation/chemoradiation is helpful. Stage IVb is inoperable 4th stage(N3) or IVc where disease have spread to other parts of body i.e. LUNG/LIVER/BONE/BRAIN. stage IVb is treated by either palliative radiotherapy or palliative chemotherapy
. while stage IVc is treated by radiotherapy for Either bone metastasis
or brainmetastasis. while for other spread chemotherapy is used.