Collaborative Stage

Collaborative Stage for TNM 7 - Revised 09/30/2009 [ Schema ]

HeartMediastinum

CS Extension

Note: Sarcomas of the heart and mediastinum are classified as deep tumors. A deep tumor is located either exclusively beneath the superficial fascia, superficial to the fascia with invasion of or through the fascia, or both superficial yet beneath the fascia.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
100	Invasive tumor confined to site of origin	^	*	L	L
300	Localized, NOS	^	*	L	L
350	Stated as T1b or T1 [NOS] with no other information on extension	T1b	T1b	L	L
375	Stated as T2b or T2 [NOS] with no other information on extension	T2b	T2b	L	L
400	Adjacent connective tissue: Heart: Visceral pericardium (epicardium) (See note in General Instructions on adjacent connective tissue)	^	*	RE	RE
600	Adjacent organs/structures: Heart: Ascending aorta Parietal pericardium Vena cava Mediastinum: Descending aorta Esophagus Large (named) artery(ies) Large (named) vein(s) Pericardium, NOS Parietal Visceral (epicardium) Phrenic nerve(s) Pleura, NOS Parietal pleura Visceral pleura of lung Sternum Sympathetic nerve trunk(s) Thoracic duct Thymus Trachea, parietal pleura Vertebra(e)	^	*	RE	RE
800	Further contiguous extension	^	*	D	D
950	No evidence of primary tumor	T0	T0	U	U
999	Unknown extension Primary tumor cannot be assessed Not documented in patient record	TX	TX	U	U

* For Extension codes 100-800 ONLY, the T category is assigned based on value of CS Tumor Size from the Extension Size Table for this site.
^ For codes 100-800 ONLY, the T category is assigned based on value of CS Tumor Size, as shown in the Extension Size Table for this site.