“…Tumor-related fluid accumulation can be seen in the benign or malign tumors of the central nervous system as peri-tumor cysts (Lonser et al, 2005;Baggenstos et al, 2007), inside the peritoneum in liver, stomach, ovary, colon, and pancreas tumors and in the pleural space in lung cancer, breast cancer, and lymphomas (Heldin et al, 2004;Lonser et al, 2004;Inan et al, 2008).…”