I still think the best reaction to dick pics, as used by at least one user on this site, is "OK, I usually report dick pics immediately. However, in this case I need to inform you I am an oncologist at <insert the name of a local hospital here> and in my professional opinion the <insert name of some feature of the organ in question here> looks very much like it has been caused by advanced squamous cell cancer. I'm not going to take this any further this time, but I urge you to make an appointment to see your doctor as soon as possible."