Hi Welcom to HCM I have gone thru your query and can understand your concern regarding severe pain on his feet Cancer pain may not just be from the physical effect of the cancer on a region of the body, but also due to chemicals that the cancer may secrete in the region of the tumor. Treatment of the cancer may or may not help the pain in these situations. Cancer treatments — such as chemotherapy, radiation and surgery — are another potential source of cancer pain. Surgery can be painful, and it may take time to recover. Radiation may leave behind a burning sensation or painful scars. And chemotherapy can cause many potentially painful side effects, including mouth sores, diarrhea and nerve damage. You can administer him Homeopathic Belladonna 30 . Take 3 drops in 1/2 cup of water , make 3 doses of this mixture consume all one by one half hourly. Give Carbo Animalis 30, is another wonderful remedy to relieve cancer pains . Also administer him some supplements rich in antioxidents which add to enhance power of metabolism and strengthen immune system to help him early recovery .... 1. Give high fiber diets including all essential nutrients ,directly , as it reduce the risk of colon or any cancer, a fiber-rich diet can decrease and eliminate constipation and hemorrhoids, it helps the stool pass through easily and decreases the burden of toxins reabsorbed into the body.Avoid fried fast food ,tea coffee , alcohol and smoking . 2. give Mixture of extract of lemon , garlic , ginger , mooringa tree bark( sehjan tree) , vinegar of coconut water and honey . 25 -35 ml is the dose with equal water for 3 -4 days twice 1/2 hour before meals, and after that , pure mixture for 25 - 35 days as required , is great antioxidant and rejuvinating , preventive and curative drink . 3. Bitter gourd has astounding health benefits. A study published in the scientific journal Carcinogenesis has shown that bitter gourd juice restricts the ability of pancreatic cancer cells to metabolize glucose, and in the process cuts off the cancer’s energy source, effectively killing them. dose is 20-25 ml empty stomach . 4. Turmeric powder 1 t spoon with a cup of hot milk before B/F and at bed time . kills all kind of bacterias on mass bases 5. Buttermilk in lunch gives strength and helps digestion ,with a pinch of black salt and long pepper . 6. Do Exercise ,Walk , Yoga , Pranayam - Deep Breathing , according to the capacity of the patient . 7. Clearing of bowel should be Regular. 8. Mental tention ,worry anger should be avoided as jt hempers healing process . 9. proper Rest ,sond sleep helps in early recovery 10. If you wish and have facility of service of Magneto Therapist ,this also a encouraging way of treatment . It complements and accelerate the recovery of the patient by destroy the bacteria on mass basis , goes with any therapy and has no side effects . If this regimen regularly followed & made part of life , It assures happy , healthy and disease free life ahead . Hope this helps you solve your query .If have any doubt on any point , Mail at drsuchda@gmail.com Take Care .All the best .Wish him early recovery . Don t hesitate to get back if have any further query