The extent of atelectasis (collapse of part or all of a lung) / obstructive pneumonitis (irreversible inflammation of the lung) during a Lung Cancer Care Spell.
National Codes:
| 1 | None or less than the two other categories (Retired 1 April 2020) | 
| 2 | Involving hilar region but not whole lung (Retired 1 April 2020) | 
| 3 | Involving whole lung (Retired 1 April 2020) | 
| 4 | Extends to the hilar region, either involving part of the lung or the whole lung | 
| 5 | None/less than the other category | 
This attribute is also known by these names:
| Context | Alias | 
|---|---|
| plural | EXTENTS OF ATELECTASIS |