Is a 5 cm lung tumor big?

Stage II lung cancer is divided into 2 substages: A stage IIA cancer describes a tumor larger than 4 cm but 5 cm or less in size that has not spread to the nearby lymph nodes. Stage IIB lung cancer describes a tumor that is 5 cm or less in size that has spread to the lymph nodes.

What does T3 N2 M0 mean?

M with a number 1 indicates that the cancer has spread beyond the original location in the body. Using an example from the National Cancer Institute, Breast Cancer staged as T3N2M0 would describe a large (T3) tumor that has spread to the nearby lymph nodes (N2) but has not spread to other parts of the body (M0).

Which is more important M1A or m in lung cancer?

M1a M1b M1c M1c The M component: M1b • Number of M1s is more important than their location • M1b: baseline definition of oligometastases and oligoprogression • Prognosis refinement • Better stratification Implications for clinical practice: M

How big is a lung tumour in IASLC?

4.7 cm = T2b 5.2 cm = T3 IASLC recommendation for the measurement of tumour size: Lung window The T component Measurement of tumour size Travis W et al. J Thorac Oncol 2016; 11: 1204-1223.

When to use elastic stains in lung cancer?

In case of doubt about the visceral pleura involvement, the use of elastic stains is recommended Travis WD et al. JTO 2008;3:1384-90 Visceral pleura invasion Taube JM et al. Am J Surg Pathol 2007; 31: 953-956 Apparent Stage IA Histological subtype N of cases VPI, n (%) Elastic stains

Why is VPI important in lung cancer treatment?

Frequency of VPI • Every cm counts; careful follow-up • Accurate tumour size measurement, important • Worse prognosis of larger tumours • Better prognosis for endobronchial location and total atelectasis and pneumonitis • Prognosis refinement • Better stratification for clinical trials Implications for clinical practice: T The N component