Pancoast tumor classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

The staging of pancoast tumor is based on the TNM system.

Pancoast tumors staging starts at T3  always, as there is invasion of chest wall. Invasion of vertebral body or the subclavian vessels is regarded as T4.

Stage	T	N	M
IA	T1	N0	M0
IB	T2	N0	M0
IIA	T3	N0	M0
IIB	T1-3	N1	M0
III	T4	Any N	M0
IV	Any T	Any N	M1

AJCC 2010
T	T1	<2 cm in greatest dimension
	T2	>2 cm in greatest dimension
	T3	Beyond the pancreas but without involvement of the superior mesenteric artery
	T4	Involvement of the celiac axis or superior mesenteric artery (unresectable tumor)
N	N0	No regional lymph node metastasis
	N1	Regional lymph node metastasis
M	M0	No distant metastasis
	M1	Distant metastasis

There is no established system for the classification of [disease name].

OR

[Disease name] may be classified according to [classification method] into [number] subtypes/groups: [group1], [group2], [group3], and [group4].

OR

[Disease name] may be classified into [large number > 6] subtypes based on [classification method 1], [classification method 2], and [classification method 3]. [Disease name] may be classified into several subtypes based on [classification method 1], [classification method 2], and [classification method 3].

OR

Based on the duration of symptoms, [disease name] may be classified as either acute or chronic.

OR

If the staging system involves specific and characteristic findings and features: According to the [staging system + reference], there are [number] stages of [malignancy name] based on the [finding1], [finding2], and [finding3]. Each stage is assigned a [letter/number1] and a [letter/number2] that designate the [feature1] and [feature2].

OR

The staging of [malignancy name] is based on the [staging system].

OR

There is no established system for the staging of [malignancy name].

Classification

• There is no established system for the classification of [disease name].

OR

• [Disease name] may be classified according to [classification method] into [number] subtypes/groups:
  • [Group1]
  • [Group2]
  • [Group3]
  • [Group4]

OR

• [Disease name] may be classified into [large number > 6] subtypes based on:
  • [Classification method 1]
  • [Classification method 2]
  • [Classification method 3]
• [Disease name] may be classified into several subtypes based on:
  • [Classification method 1]
  • [Classification method 2]
  • [Classification method 3]

OR

• Based on the duration of symptoms, [disease name] may be classified as either acute or chronic.

OR

• If the staging system involves specific and characteristic findings and features:
• According to the [staging system + reference], there are [number] stages of [malignancy name] based on the [finding1], [finding2], and [finding3]. Each stage is assigned a [letter/number1] and a [letter/number2] that designate the [feature1] and [feature2].

OR

• The staging of [malignancy name] is based on the [staging system].

OR

• There is no established system for the staging of [malignancy name].