EVALUATION OF THE INCIDENCE OF RAS AND BRAF MUTATIONS AND LATERALITY OF COLORECTAL CANCER IN ELDERLY PATIENTS IN A REFERENCE SERVICE IN PERNAMBUCO, BRAZIL. (November 2019) - Sales, D.F.; De Oliveira Lima, J.T.; Dias Viana, M.A.; Reis, M.D.Gondim; De Almeida, R.S.