I have stage 4 melonoma in left leg to thigh,have been on treatment since 2012,It has been a journey 5 times in hospital in 2016.Ketruda does cause side effects re immun system.I now have pain right side at waist level,could be siaticca,arthritis etc and other issues.MRI and PET scan show no spreading and all ok.Would appreciate comments from other melonoma/ketruda patients ......
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