CS Extension

Code Description AJCC 7 T AJCC 6 T Summary Stage 1977 T Summary Stage 2000 T
000 In situ; intraepithelial, non-invasive NA NA IS IS
050 OBSOLETE DATA RETAINED V0200
Intracranial Gland is separate schema in CS v 2

For C75.1 pituitary gland, C75.2 craniopharyngeal duct and C75.3 pineal gland ONLY:
Benign or borderline tumors
ERROR: NA NA NA
100 Invasive tumor confined to gland of origin NA NA L L
300 Localized, NOS NA NA L L
400 Adjacent connective tissue
(See definition in General Rules)
NA NA RE RE
600 Adjacent organs/structures:
Thymus and aortic body:
Organs/structures in mediastinum
Parathyroid:
Thyroid
Thyroid cartilage
Carotid body:
Upper neck
NA NA RE RE
800 Further contiguous extension NA NA D D
950 No evidence of primary tumor NA NA U U
999 Unknown; extension not stated
Primary tumor cannot be assessed
Not documented in patient record
NA NA U U