Collaborative Stage

Collaborative Stage for TNM 7 - Revised 10/20/2009 [ Schema ]

CS Tumor Size

Note 1: Do not code size of hilar mass unless primary is stated to be in the hilum.
Note 2: The descriptions in codes 997 and 998 take precedence over any mention of size.
Note 3: Use code 992 or 993 if the physician's statement about T value is the only information available about the size of the tumor for T1a, T1b or T1 [NOS].

Code	Description
000	No mass/tumor found
001-988	001 - 988 millimeters (code exact size in millimeters)
989	989 millimeters or larger
990	Microscopic focus or foci only, no size of focus given
991	Described as "less than 1 cm"
992	Described as "less than 2 cm," or "greater than 1 cm," or "between 1 cm and 2 cm" Stated as T1a with no other information on size
993	Described as "less than 3 cm," or "greater than 2 cm," or "between 2 cm and 3 cm" Stated as T1b or T1 [NOS] with no other information on size
994	Described as "less than 4 cm," or "greater than 3 cm," or "between 3 cm and 4 cm"
995	Described as "less than 5 cm," or "greater than 4 cm," or "between 4 cm and 5 cm"
996	Malignant cells present in bronchopulmonary secretions, but no tumor seen radiographically or during bronchoscopy; "occult" carcinoma
997	Diffuse (entire lobe)
998	Diffuse (entire lung or NOS)
999	Unknown; size not stated Not documented in patient record