Table 1 Patient characteristics.

From: Interobserver variability in clinical target volume delineation in anal squamous cell carcinoma

Patient no.

Sex/age

Stage

Surgery

T stage

N stage

Target delineation

1

F/49

pT1N1a

Excisional biopsy

1.2 cm margin positive

1.2 cm-sized, PET-positive LN in left inguinal area

CTV-pelvis

CTV-inguinal

2

F/77

cT2N0

None

3.9 cm sized

Node negative

CTV-pelvis

CTV-inguinal

3

F/72

cT4N1a

None

4.5 cm sized invading vagina

1.2 cm-sized, PET-positive lymph node in right inguinal area. Pathologically confirmed by needle biopsy

CTV-pelvis

CTV-inguinal