Hello, welcome to HCM. Your friend is having toxic effects of chemotherapy
as well as the effects of tumor
. Chemotherapy is very toxic to general health and most of the patients suffer severe depression
of general health as a cummulative effects on body. He needs to keep eating well and try to have frequent small meals of balanced diet rich in proteins
. If patient is unable to tolerate chemotherapy further your doctor might need o discontinue it for some time and restart later. Wish him good health and speedy recovery.