While breast cancer is more common in women. In men, it has a high mortality rate since it is not believed that it can happen to them. They never get checked and therefore they discover it at a late stage. Something as simple as a self-examination, touching your chest from time to time, can prevent several people from being part of those small but deadly statistics.
It turns out that, for some aesthetic reason, several ancient men posed for paintings with their hands touching their chests in a position similar to that of a self-examination. That is why we have decided to name these painters, precursors of breast self-examination in men, visionaries of past centuries who were already showing that a man touching his chest for long periods of time was nothing to make a scandal about.