Conversation: The conversation between human and AI assistant.
[|Human|] My uncle is been diagnosed of throat cancer 4th stage. Which is the preferred treatment. Chemotherapy or radiation therapy . He is 80 years old and doesnt have any other healtChatDoctorplications. Different doctros are suggesting different treatments . Pls clarify our doubt on which step we shd take
[|AI|]  Stage 4 throat cancer has three subtypes 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 IOC 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 IOC is treated by radiotherapy for Either bone metastasis or brain metastasis. While for other spread chemotherapy is used.