Question:  query regarding a sow showing the signs of hydrocele like growith at the inguinal region  
Answer: told him to puncture the sight for the consistancy , if fluid is present suck out the fluid with the help of needle & syringe & inject the same amount of medicine at the site , if it is diagnose as hernia [ inguinal ] go for x ray & one should do the teatment of inguinal hernia - mainly apressure belt can be apply to bring back the protrude organ  to the original position - consult with a local veterinarian for the condition