Case presentation A 59-year-old female was presented with 8-day history of fever and malaise. Her medical history included hypertension without medication. Human T-lymphotropic virus type 1 (HTLV-1) antibodies were positive without abnormal lymphocytes.

Upon examination     Blood pressure - 107/73 mmHg          Pulse rate - 111 bpm        Body temperature - 37.0°C       Distended abdomen without tenderness         Pitting edema of the dorsum of the feet         WBC count - 19300/μL  Lactate dehydrogenase (LDH) - 444 IU/L        C-reactive protein level - 14.48 mg/dL Image shows: Cytomorphological evaluation of ascites   What is the most likely diagnosis for this patient? (Answer is posted in the comment section below!)   *This Case Challenge is from the Editorial Team of Docplexus and is meant for educational purposes only. Source: Case Reports in Oncological Medicine