NEW ORLEANS (EGMN) - Hope plays an important role in the experience of cancer patients, especially those with poor prognoses, and it often follows an unexpected trajectory.These were the findings of several studies presented at the annual conference of the American Psychosocial Oncology Society."While patients have a hard time defining hope, they almost always know exactly what it means to them, and they usually define its opposite as 'giving up,' " said Amy Pearson of the Lung Cancer Alliance in...