Many authors have theorized the physiological mechanism behind the abdominal enlargement
to include contraction of the diaphragm, which reduces the abdominal cavity and forces the bowel outwards.
Small tumors may have no associated clinical signs, whereas large tumors may cause abdominal enlargement
and dyspnea (through compression of the air sacs).
They usually have progressive abdominal enlargement
.  The common symptoms of this condition are distention of abdomen, pain, respiratory difficulty, obstructive jaundice and these are basically due to compression and displacement of the surrounding organs.
Unuk is suffering from recurrent high grade fever accompanied by weight loss, lack of appetite and body weakness while Jailani is suffering from hydronephrosis of the right kidney secondary to obstruction accompanied by abdominal enlargement
, severe abdominal pain, severe emaciation and lack of appetite.
Clinical signs can include gagging, anorexia, lethargy, weight loss, vomiting and abdominal enlargement
. Complete intestinal obstruction is a potentially life-threatening problem, often calling for emergency medical and surgical intervention.
For the past several months, she complained of weight gain and progressive abdominal enlargement
to the extent that her family and friends were concerned that she was pregnant.
Differential diagnoses of various conditions, from abdominal enlargement
to weight loss are summarized, in addition to common laboratory abnormalities including anemia and urinalysis, diseases of the organ systems, infectious diseases like coccidiosis and pasteurellosis, and therapeutics using antimicrobials, other agents, and reproductive and miscellaneous treatments.