A man with vague groin pain needs to go to the hospital for an examination. First, the doctor will do a physical examination of the inguinal area and will touch the inguinal area for enlarged lymph nodes, and if it is on the left side, he also needs to check if there is enlargement of the sigmoid colon and if there is hard stool inside. The doctor also needs to touch the outer ring of the inguinal canal bilaterally to see if there is relaxation and if there is a mass in the rectal hernia area to be able to exclude if the inguinal pain is due to an abdominal wall hernia. Next, relevant laboratory tests, such as blood count, C-reactive protein, sedimentation and liver function, are needed. Then, depending on the condition, ultrasound and abdominal CT may be needed to check for intra-abdominal masses, or varicose vein formation. Finally, if a mass is found, excision of the mass or needle biopsy may be required to clarify its nature.