Diffuse large B cell lymphoma originating from the maxillary sinus with skin metastases: A case report and review of literature

Figure 4 A plain computed tomography scan on day 62. A: The 4 cm × 3.5 cm × 4 cm sized left maxillary sinus was completely filled with mass, and it was oppressed, involved the orbital base, destroyed the anterior, internal, and external walls, and protuberated outside; B: Chest. Pulmonary window setting. Multiple tumors (0.5-1.5 cm in size) were confirmed in both lungs; C: Chest. Mediastinal window. Multiple subcutaneous tumors and chest wall tumors were confirmed (orange arrows); and D: Abdomen. An abdominal paraaortic lymph node swelling (3 cm in size) and a left kidney nodule (1-2 cm in size) were confirmed (orange arrows).