Yellow Lines...

Hello one and all. I’ve not been active on here for ages due to health issues, but I’m trying to slowly get myself together again. I switched from Nikon to Canon a few years ago - has it been that long since I was last on here! I’m now happy again using my 7D MkII with assorted lenses, I’m also using my iPhone a lot for a fair few of my photos on those days where carrying a DSLR is a bit much...