but ernie vallebuona has no doubt.elieves there is a connection between his cancer and the dust. >> i firmly believe that. >> it's a tough thing to prove, isn't it? >> oh, sure. >> and now, almost ten years after 9/11, vallebuona is reeling again. after years of aggressive therapy, he thought he was cancer free. >> they were ready to pin the little cured button on me. but my last visit to the doctor, they actually detected something inside of me and they're not too sure what it is. i'm being told now that my cancer could possibly be back. starting my progresso soup for lunch plan, huh. nope, just having some tender chicken and some tasty noodles. let's see...south western vegetables...60 calories. ya' know those jeans look nice. they do? yup. so you were checking me out? yup. [ male announcer ] progresso. 40 soups 100 calories or less. >>> thank you, sir. >> thank you. >> for the past two months, ernie vallebuona has lived in a state of emotional paralysis, anxiously awaiting test results to find out if his cancer is b