This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
A woman shows symptoms of massive pulmonary thromboembolism.The gross appearance of liver autopsy is shown. Which of the following statement best characterizes the patient's condition? 
Select and explain. 
A. Metastasis from PE, B. Angiosarcoma, C. Colonic adenocarcinoma with metastasis, D. Locally invaded hepatocellular carcinoma
C: Colonic adenocarcinoma with metastasis
Answer: C: Colonic adenocarcinoma with metastasis 
Explanation: The figure shows appearance of metastatic lesions from a malignant neoplasm with multiple tumor masses The liver is the most common site of metastases for tumor sites that drain initially the poal circulation. Metastatic liver disease is found in 10% to 25% of patients having surgery for primary colorectal cancer Surgical resection is the most effective therapy for metastatic colorectal cancer isolated to tHe liver. REF HARRISONS 21ST ED