[Clinical and x-ray aspects of the diagnosis of multiple primary malignant tumors of the colon].

On the grounds of the study of 78 cases with malignant tumors of the colon it has been found that multiple cancer of the colon and rectum has no specific clinical picture- the fact which hinders the diagnosis of this condition. As there is a possibility of the metachronic development of the colon multiple tumors it should be recommended to keep all the patients operated upon for a neoplasm of this organ under a continuous dispensary observation.