<s>[INST] My mother has esophageal cancer which has spread to the lung and bones.  She is coughing up a large amount of stringy phlegm and is in extreme discomfort.  She is currently on a morphine patch and hydrocodone but nothing is helping to manage the phlegm or the nausea she is experiencing.  Any ideas on how to help her? [/INST] Hi, dairy have gone through your question. I can understand your concern. Your mother has esophageal cancer and it metastasis to the lung.  Cough and nausea is due to cancer.  He should take chemotherapy treatment accordingly.  For Cause ondansetron is useful.  For terminal stage cancer pain morphine can be used.  Consult your doctor and take treatment accordingly. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using Chat Doctor. Wish you a very good health. </s>