Prognostic role of ultrasonography staging in patients with anal cancer

Figure 1 Recurrence rate according to ultrasonography and clinical American Joint Committee on Cancer staging. US: Ultrasonography staging; AJCC: American Joint Committee on cancer.

Figure 2 Overall and disease-free survival according to the ultrasonography staging. US: Ultrasonography staging.

Figure 3 Overall and disease-free survival according to the clinical American Joint Committee on Cancer staging. c: Clinical American Joint Committee on Cancer staging.

Figure 4 Overall and disease-free survival according to American Society of Anesthesiologists score. ASA: American Society of Anestesiologists score.

Figure 5 Overall and disease-free survival according to combined variables: American Society of Anesthesiologists score and ultrasonography staging system. ASA: American Society of Anesthesiologists; US: Ultrasonography staging.