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Precision medicine is becoming increasingly common in oncology, with treatments tailored to individual patients and cancer. By integrating these underlying concepts of health care, chemotherapy and radiotherapy can be tailored to improve safety and efficacy. On the other hand, oncology treatment regimens may result in local and systemic changes and complications depending on the type of treatment. For the proper and prompt management of cancer patients, it is essential to interpret this posttreatment imaging correctly. This article aims at guiding treating physicians to be able to distinguish complications from expected posttreatment changes. [ABSTRACT FROM AUTHOR]

Major hepatobiliary cancers include hepatocellular carcinoma, gallbladder carcinoma, and cholangiocarcinoma. There are multiple guidelines and recommendations for the imaging evaluation of these cancers. This article reviews and summarizes principles and recommendations of imaging in hepatobiliary cancers. The cross-sectional imaging protocol is similar among these lesions and is discussed at first followed by the separate discussion of each cancer. [ABSTRACT FROM AUTHOR]

Gastric cancer is the second most common cause of cancer-related death in Indian men and women aged between 15 and 44 years. Most patients present at an advanced stage of disease. Surgically resectable disease usually requires a standard gastric resection and D2 lymphadenectomy. Imaging, especially with computed tomography scan of abdomen as well as thorax, is necessary for localization, nodal mapping, and metastatic workup of gastric cancer. In this review, we discuss current imaging recommendations for gastric carcinoma. [ABSTRACT FROM AUTHOR]