| In an unscreened population, the diagnosis will be based on clinical symptoms, and the median time from diagnosis to death will be three years. |
| Therefore, the interval between cancer detection and death is longer in screened patients than in unscreened patients. |
| Thus almost as many cancers develop between the second and third years as would be expected in an unscreened population. |
| A relatively large group have adenomas detected by screening, most of whom if left unscreened would never develop a problem. |
| O'Neill says slack Frankfurt security meant he was often told to place baggage unchecked and unscreened on to Pan Am flights. |
| In particular, the outfall at Middle Point discharged unscreened sewage into the Carrick Roads. |
