Twelve of 13 members of one family fell ill upon returning to the United States from a Costa Rica trip in late December. A bat-filled cave could be the culprit for the mystery sickness.

An additional CT scan, this time of his chest ... from the same area — were diagnosed with a rare fungal lung infection called histoplasmosis. This condition occurs when people inhale spores ...

Three years later, her doctor suggested the now 63-year-old have a preventative CT ... lung of the Augusta, Ga. florist. But it wasn't necessarily cancer; the lesion could have been histoplasmosis ...