The outline of the materials to be covered in this section:

1. Anatomy
    
2. Imaging Modalities
    
3. Fluid in the Peritoneum
   1. Ascites
   2. Blood
       
4. Air (Gas) in 
   1. Peritoneum
   2. Retroperitoneal space
   3. Biliary Tree
   4. Portal Veins
   5. Bowel Wall
       
5. Infectious Diseases
    
6. Neoplastic Diseases
   1. Metastases
   2. Pseudomyxoma Peritonei
      
      
7. Quiz