Our Towns; Young Victims Of Cancer Find Joy of Summer
LEAD: There is a famous story they tell here at cancer camp about a little girl named Arlene Pabon, who goes running across the lawn to the edge of the swimming pool, rips off her hat, bends over, disconnects her prosthesis, dives in the pool, and everyone yells, ''Arlene, you know you're not supposed to run across the lawn!