@incollection{Ignatov14, author = {Valentin Ignatov and Nikola Kolev and Anton Tonev and Shteryu Shterev and Elitsa Encheva and Tanya Kirilova and Tsvetelina Teneva and Krassimir Ivanov}, title = {Diagnostic Modalities in Colorectal Cancer –Endoscopy, Ct and Pet Scanning, Magnetic Resonance Imaging (Mri), Endoluminal Ultrasound and Intraoperative Ultrasound}, booktitle = {Colorectal Cancer}, publisher = {IntechOpen}, address = {Rijeka}, year = {2014}, editor = {Jim S Khan}, chapter = {2}, doi = {10.5772/57508}, url = {https://doi.org/10.5772/57508} }