How long an MRI film is valid is related to the patient’s specific condition, for example, for normal, MRI films within 1-2 years can be used for comparison, but for patients with oncological diseases, for example, the patient requires an examination once every 2-3 months, so MRI films that are too long ago are not very meaningful for the diagnosis of the current condition. The doctor will ask the patient to bring all the recent MRI films to him for comparison, usually within 1-2 years, so how long before the MRI films are meaningful needs to be asked to his own doctor, if the patient takes the MRI films from 10 years ago, then naturally it is not very meaningful for the condition.