Impact of Comorbidities on Survival in Gastric, Colorectal, and Lung Cancer Patients.
Toshitaka MorishimaYoshifumi MatsumotoNobuyuki KoedaHiroko ShimadaTsutomu MaruhamaDaisaku MatsukiKayo NakataYuri ItoTakahiro TabuchiIsao MiyashiroPublished in: Journal of epidemiology (2018)
Comorbidities have a negative prognostic impact on overall survival in cancer patients, and should be assessed as risk factors for mortality when reporting outcomes.