CT scan of the whole abdomen may detect cancer, but it cannot confirm the diagnosis of cancer, nor can it make a clear diagnosis of the specific clinical stage of cancer.
Generally speaking, it is possible to detect cancer in the abdomen and pelvis through CT scanning, which usually manifests as irregular masses, occupying lesions or intestinal obstruction, etc. However, the specific nature of these abnormal abdominal lesions cannot be clarified through CT scanning. In order to confirm the diagnosis of cancerous lesions, pathologic examination of the lesions is required.
Moreover, CT scanning of the whole abdomen can only generally understand the general scope of cancer invasion in the abdomen, but the depth of local infiltration and distant metastasis of cancer cannot be clarified by CT scanning of the whole abdomen. Therefore, in order to clarify the specific clinical stage of cancer, it is necessary to do further examinations such as magnetic resonance of brain, whole body bone scan and so on.