I agree 100%
I have a medical check up once a year with my GP & have been doing this for 30 odd years, however in Nov 2015 I missed my check up with my skin specialist (skin cancer), around September 2016 I had what I thought was a mossy bite on my face, I itched it and it became a sore over the next week. As I had a beard at the time I really couldn't see it at the time & didn't take enough notice of it.
This christmas just gone I had what I thought was a BCC show up on the very end of the stitch line of a previous cancer removal on my shoulder.
This made me think about the small sore on my face, off came the beard & oh shit! I couldn't believe the state of it. I made an appointment at the skin cancer clinic & ended up having 3 removed, 1 on face, 1 on shoulder & 1 very small BCC on my back. The BCC on my face took 15 stitches & the bad news is that I have to go back in 2 weeks to have it done again as a small amount was missed.