How is depression and cancer?

MR >25% in pt w/depression symptoms and >39% in pt dx w/major/minor depression, without effect of diminishing those effects. Study of lebanon breast cancer w/depression, mixed cancer: psych comorbidity 46%, MDD 16% and minor depression 17.6%. Psychiatric morbidity increase MR by 4.13 times, and depression in breast cancer is 14%, cancer is diagnosed 70% in late stage due to health definition in middle east MDD can be influenced by social support of cancer patients, not related to treatment stage and related to stage of disease