Obesity
Intestinal obstruction
Pregnancy
Ascites<unk> 
Malignancy
Heart failure
Tuberculosis
Spontaneous bacterial peritonitis
Peritoneal dialysis-associated peritonitis
Distended bladder / Acute urinary retention
Constipation / fecal impaction
Large tumor(s) (e.g. ovarian, lymphoma)
Organomegaly<unk> 
Malignancy
Heart failure
Tuberculosis
Cirrhosis
Obesity
Liver transplant complications
Intestinal obstruction
Kidney transplant complications
Pregnancy
Pancreas transplant complications
Ascites