<s>[INST] my father is suffering from cancer in food pipe.  He was treated for that 6 months back.  Now he feels diffiulty to swallo.  Now he was advised to undertake 3 sittings of radiation.  This is second sitting.  This time he complaints of having pain in the throat and is unable to have even liquid food.  Will it be alright?  His age is 83. [/INST] Hi, dearI have gone through your question. I can understand your concern. Your fathe has esophageal cancer.  Treatment depends on stage of cancer.  In early stage surgery can be done.  In advanced stage surgery is not possible.  So radiation is the treatment of choice.  His throat pain is due to radiation treatment.  Don't worry about that.  It is very common to have pain after radiation. So consult your doctor and Continue your treatment. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using health care magic. Wish you a very good health. </s>