There Was An Operation On My Right Colon A Tumor

there was an operation on my right colon a tumor was in the colon the tumor was melignant however
i am now ok after cemo therapy but after operation i am now suffering from gsatric and discomfort in
stomach i am now taking morease sr medicine the severety of gastric has reduced but still gas is generated and the feeling of toiletting every now and then still persists. what is the remedy