Table 2 Characteristics of each patient who underwent lymphadenectomy for lymph node recurrence
Case | Age | Sex | Location | T | N | M | Stage | Site of lymph node recurrence | Recurrence outside of surgery and radiation area |
|---|---|---|---|---|---|---|---|---|---|
Esophagectomy | Â | Â | Â | Â | Â | Â | Â | ||
 1 | 72 | M | Mt | 1b | 0 | 0 | IB | Rt. supraclavicular | Outside |
 2 | 77 | M | Mt | 1b | 2 | 0 | IIIA | Lt. supraclavicular | Inside |
 3 | 84 | M | Mt | 1b | 3 | 0 | IVA | Rt. supraclavicular Rt. cervical paraesophageal | Outside |
 4 | 64 | M | Mt | 1b | 0 | 0 | IB | Rt. cervical paraesophageal | Inside |
 5 | 59 | M | Mt | 3 | 2 | 0 | IIIB | Lt. supraclavicular Lt. superficial cervical | Inside |
 6 | 75 | M | Mt | 3 | 1 | 0 | IIIB | Cervical pretracheal | Outside |
 7 | 58 | M | Mt | 3 | 0 | 0 | IIB | Rt. supraclavicular Rt. cervical paraesophageal | Inside |
 8 | 60 | M | Lt | 1b | 1 | 0 | IIB | Rt. cervical paraesophageal | Inside |
 9 | 56 | F | Mt | 3 | 2 | 1(LYM) | IVB | Lt. deep cervical | Outside |
 10 | 60 | M | Mt | 3 | 3 | 0 | IVA | Pretracheal | Outside |
 11 | 75 | M | Lt | 3 | 1 | 0 | IIIB | Paracardial | Inside |
ER | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 12 | 73 | M | Mt | 1b | 0 | 0 | IB | Rt. supraclavicular Rt. cervical paraesophageal | – |
 13 | 81 | F | Mt | 1b | 0 | 0 | IB | Middle thoracic paraesophageal Ligamentum arteriosum | – |
 14 | 65 | M | Ut | 1b | 0 | 0 | IB | Rt. supraclavicular | – |
 15 | 66 | M | Mt | 1b | 0 | 0 | IB | Rt. cervical paraesophageal | – |
 16 | 73 | M | Lt | 1a | 0 | 0 | IB | Rt. recurrent nerve | – |
CT and CRT | Â | Â | Â | Â | Â | Â | Â | Â | |
 17 | 62 | M | Ce | 4 | 1 | 0 | IVA | Lt. upper deep cervical | Inside |
 18 | 68 | F | Mt | 3 | 1 | 1(PUL) | IVB | Lt. recurrent nerve | Inside |
 19 | 56 | M | Lt | 2 | 0 | 0 | II | Along the left gastric artery | Outside |
 20 | 73 | M | Mt | 3 | 1 | 1(LYM) | IVB | Rt. recurrent nerve | – |