Part 1: Colorectal cancer basic information1. Colorectal cancer: Biology and pathologyGavino Faa, Andrea Pretta, Matteo Fraschini, Flaviana Cau, Ferdinando Coghe, Antonella Balestrieri, Peter Van Eyken, Massimo Castagnola, Mario Scartozzi, and Luca Saba2. Principles of surgical treatmentValerio Argiolas, Zorcolo Luigi Zorcolo, and Angelo Restivo3. Systemic therapies for localized colon cancer and metastatic colorectal cancerJames Robert Platt4. The role of imaging in the management of rectal cancerMaria Antonietta Gambacorta, Giuditta Chiloiro, Priscilla Testa, Angela Romano, Calogero Casa, and Vincenzo ValentiniPart 2: Colorectal cancer imaging5. CT imaging of colon cancerGiovanni Grassi, Gian Luca Chabert, Giovanni Maria Argiolas, and Luca Saba6. CT imaging of rectal cancerGian Luca Chabert, Giovanni Grassi, Giovanni Maria Argiolas, and Luca Saba7. US Imaging of rectal cancerFilippo Crimi, Simona Deidda, Angelo Restivo, and Emilio Quaia8. MR imaging of rectal cancerKalina Chupetlovska, Xinde Ou, and Regina Beets-Tan9. Posttreatment imaging of colorectal cancerKalina Chupetlovska, Xinde Ou, and Regina Beets-Tan10. Lymph node imaging in colorectal cancerGina Brown11. Radiomic imaging: Basic principles and applicationsFrancesco Pisu and Luca Saba12. Artificial intelligence applied to the diagnosis of colorectal cancerAna Jimenez-Pastor and Carmen Prieto-De-La-Lastra13. Image-based omics applications in rectal cancer: State of the art and future directionsLuca BoldriniPart 3: Non neoplastic pathologies14. Colon ischemiaAlessandro Pinna, Giovanni Grassi, Roberta Scicolone, Antonella Balestrieri, Carola Politi, and Luca Saba15. Infectious diseases of colon and rectumAna Villanueva, Alba Salgado-Parente, Elena Canales, and Matthew Aitken16. Autoimmune and inflammatory colon diseasesElena Canales, Alba Salgado-Parente, Matthew Aitken, and Ana Villanueva17. Fistulae and abscessDomenico De Santis, Giuseppe Tremamunno, Michela Polici, Pasquale Paolantonio, Damiano Caruso, and Andrea Laghi