Hi, may I answer your health queries right now ?  Please type your query here...My friend (male 70) has gall bladder cancer and had chemo. The cancer has shrunk but he know has spots on liver and hasnt passed fluid for three days. What could have caused the retention. Thanks for assistance. Alexandra
Hi there, If you mean what causes him not being able to urinate, then this could be due to him being unable to urinate from a few common reasons.  The first is due to deny Chat Doctor.