My father had pancreatitis and had pancreatic necrosectomy done 5 weeks ago. He has no abdominal collection. He also had post op complications such as bleeding, pleaural effusion and atelacstasis. Now his wbc count is normal but the monocytes are raised along with d-dimers. And he has a major chest congestion with cough and sputum . His fever goes up as high as 102 °F But the drs here are troubled by the cause as his wbcs are normal qre