Collaborative Stage for TNM 7 - Revised 01/20/2010  [ Schema ]

Retinoblastoma

CS Extension

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
110OBSOLETE DATA RETAINED V0200

Any eye in which the largest tumor is less than or
equal to 3 mm in height
AND
No tumor is located closer than 1 DD (1.5mm) to the optic nerve or fovea
ERRORT1aLL
120Volume no more than two-thirds of eye
AND
Largest dimension not greater than 3mm
AND
Location not closer than 1.5mm to optic nerve or fovea
AND
Tumor formation: No vitreous or subretinal seeding and no subretinal fluid beyond 5mm from base of tumor
AND
Retinal detachment not present

Stated as T1a with no other information on extension
T1aT1aLL
130OBSOLETE DATA RETAINED V0200

All other eyes in which the tumor(s) are confined to retina
regardless of location or size (up to half the volume of the eye)
AND No vitreous seeding
AND No retinal detachment or subretinal fluid greater than 5 mm from
the base of the tumor
ERRORT1bLL
140Volume no more than two-thirds of eye
AND
(Largest dimension greater than 3mm OR
Location closer than 1.5mm to optic nerve or fovea)
AND
Tumor formation: No vitreous or subretinal seeding and no subretinal fluid beyond 5mm from base of tumor
AND
Retinal detachment not present

Stated as T1b with no other information on extension
T1bT1bLL
160Volume no more than two-thirds of eye
AND
(Largest dimension greater than 3mm OR
Location closer than 1.5mm to optic nerve or fovea)
AND
(Tumor formation: Subretinal fluid beyond 5mm from base of tumor OR
Retinal detachment present)

Stated as T1c with no other information on extension
T1cT2aLL
180Volume no more than two-thirds of eye
AND
Tumor formation:No vitreous or subretinal seeding

Stated as T1 [NOS] with no other information on extension
T1NOST1NOSLL
310OBSOLETE DATA RETAINED V0200

Tumor confined to retina (No vitreous seeding or significant retinal detachment), NOS
ERRORT1NOSLL
410OBSOLETE DATA RETAINED V0200

Minimal tumor spread to vitreous and/or subretinal space.
Fine local or diffuse vitreous seeding and/or serous retinal
detachment up to total detachment may be present but no clumps,
lumps, snowballs, or avascular masses are allowed
in the vitreous or subretinal space.
Calcium flecks in the vitreous or subretinal space are allowed.
Tumor may fill up to 2/3 the volume of the eye.
ERRORT2aLL
420Volume no more than two-thirds of eye
AND
Tumor Formation: Focal vitreous and/or subretinal seeding of fine aggregates of tumor cells but no large clumps or "snowballs" of tumor cells
AND
Retinal detachment may be present

Stated as T2a with no other information on extension
T2aT2aLL
430OBSOLETE DATA RETAINED V0200

Massive tumor spread to vitreous and/or subretinal space.
Vitreous seeding and/or subretinal implantation may consist of
lumps, clumps, snowballs, or avascular tumor masses.
Retinal detachment may be total.
Tumor may fill up to 2/3 the volume of the eye.
ERRORT2bLL
440Volume no more than two-thirds of eye
AND
Tumor formation: Massive vitreous and/or subretinal seeding defined as diffuse clumps or "snowballs" of tumor cells
AND
Retinal detachment may be present

Stated as T2b with no other information on extension
T2bT2bLL
450OBSOLETE DATA RETAINED V0200
Extension reassigned to codes 500, 520

Unsalvageable intraocular disease.
    Tumor fills more than 2/3 the eye
    No possibility of visual rehabilitation.

One or more of the following are present:
    Tumor-associated glaucoma, either neovascular or angle closure
    Anterior segment extension of tumor
    Ciliary body extension of tumor
    Hyphema (significant)
    Massive vitreous hemorrhage
    Tumor in contact with lens
    Orbital cellulitis-like clinical presentation
ERRORT2cLL
460Volume no more than two-thirds of eye
AND
Tumor formation: Vitreous and/or subretinal seeding
AND
Retinal detachment may be present

Stated as T2 [NOS] with no other information on extension
T2NOST2NOSLL
470OBSOLETE DATA RETAINED V0200

Tumor with contiguous spread to adjacent tissues
or spaces (vitreous or subretinal space), NOS
ERRORT2NOSLL
500Severe intraocular disease:    
    More than two-thirds volume of eye occupied 

Stated as T3a with no other information on extension
T3aT2cLL
520Severe intraocular disease:
    One or more complications present including:
        Tumor-associated neovascular or angle closure glaucoma
        Tumor extension into anterior segment
        Hyphema (blood in anterior chamber)
        Vitreous hemorrhage
        Orbital cellulitis

Stated as T3b with no other information on extension
T3bT2cLL
540Severe intraocular disease NOS

Stated as T3 [NOS] with no other information on extension
T3NOST2cLL
590OBSOLETE DATA RETAINED V0200

Invasion of optic nerve and/or optic coats, NOS
ERRORT3RERE
680Extraocular disease detected by imaging studies:
    Invasion of optic nerve

Stated as T4a with no other information on extension
T4aT3RERE
700Extraocular disease detected by imaging studies:
    Invasion into orbit

Stated as T4b with no other information on extension
T4bT4RERE
720Extraocular disease detected by imaging studies:
    Intracranial extension not past chiasm

Stated as T4c with on other information on extension
T4cT4DD
740Extraocular disease detected by imaging studies:
    Intracranial extension past chiasm

Stated as T4d with no other information on exension
T4dT4DD
750OBSOLETE DATA RETAINED V0200

Extraocular tumor
ERRORT4RERE
760Extraocular disease detected by imaging studies NOS

Stated as T4 [NOS]
T4NOST4RERE
800OBSOLETE DATA RETAINED V0200

Further contiguous extension
ERRORT4DD
950No evidence of primary tumorT0T0UU
999Unknown extension
Primary tumor cannot be assessed
Not documented in patient record
TXTXUU