Lymphoproliferative lesion. A, Ptosis of the right upper eyelid and fullness (arrow) in the superior orbit. B, Axial CT scan shows a homogeneous mass (arrow) with characteristic molding along the globe. C, Incisional biopsy through an anterior orbitotomy approach via the upper eyelid crease. D, H&E stain of this hypercellular lesion is consistent with B-cell lymphoma.