Ovarian ALK+ diffuse large B-cell lymphoma: a case report and a review of the literature.

Through this case presentation and a review of the literature, we aim to describe clinical and pathologic features and to distinguish the outcome of these tumors. A 25-year-old woman presented with pelvic pain and an iliac mass. Workup revealed a 53-mm cystic partitioned mass of the left ovary infiltrating the left sacrum.