Chyle leakage in port incision in the left chest wall and its lymphoscintigraphy. A: Milky white and odorless liquid leaked from the front of the major port incision. B: The leakage became blue after the patient ingested Sudan Black. C: Lymphoscintigraphy using Tc-99 m sodium phytate as a tracer. The image was taken 60 min after injection. An abnormal tracer accumulation was evident in the left chest wall corresponding to the major incision (red arrow). No tracer accumulation was found in the pleural cavity.