Liposarcoma staging

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Alejandro Lemor, M.D. [2]

Overview

The staging of liposarcoma is based on the TNM classification, which includes primary tumor spread, lymph node involvement, and presence of metastasis.

Staging

Primary Tumor (T) Tx Tumor cannot be assessed. T0 No evidence of primary tumor. T1 Tumor ≤ 5 cm T1a Superficial tumor (not invading the fascia) T1b Deep tumor T2 Tumor > 5 cm T2a Superficial tumor (not invading the fascia) T2b Deep tumor Retrieved from the National Cancer Institute. Adapted from AJCC: Soft tissue sarcoma. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 291-8.

Lymph Nodes (N) NX Lymph nodes cannot be assessed. N0 No regional lymph node involvement. N1 Regional lymph node involvement. Retrieved from the National Cancer Institute. Adapted from AJCC: Soft tissue sarcoma. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 291-8. Metastasis (M) M0 No distant metastasis M1 Distant metastasis Retrieved from the National Cancer Institute. Adapted from AJCC: Soft tissue sarcoma. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 291-8.

Stages	Primary Tumor (T)	Lymph Node (N)	Metastasis (M)	Histopathological Grading
Stage IA	T1a, T1b	N0	M0	Low grade
Stage IB	T2a, T2b	N0	M0	Low grade
Stage IIA	T1a, T1b	N0	M0	High grade
Stage IIB	T2a, T2b	N0	M0	High grade
Stage III	Any T	N0, N1	M0	High grade
Stage IV	Any T	Any N	M1	Any grade
Retrieved from the National Cancer Institute. Adapted from AJCC: Soft tissue sarcoma. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 291-8.