Hi there. I had breast cancer in 2020 and have been having some odd symptoms with a bit of nausea and feeling like my vision wouldn’t focus. I went to the gp who felt it was an inner ear issue. I also went to the opticians and no issues detected. However I went for a private mri of the brain to put my mind at rest but this wasn’t with contrast dye. The test came back with no evidence of metastasis in the brain thank goodness but I’m now worried something could have been missed without the contrast dye? Is this something that could happen or are mris without contrast still reliable? Thank you!