Unilateral exophthalmos is frequently complained of in the field of otorhinology, but the ethiological diagnosis is occasionally difficult. The patient herein reported visited our hospital complaining of exophthalmos and visual disturbance of the left eye. After a variety of examinations, a metastatic lesion originating from hepatic cancer was detected in the ophthalmic region. It was additionally demonstrated that a tumor growing near the left 6th-rib was also the result of metastasis from the hepatic cancer.
