A 66-year-old man presented with worsening dyspnea. A colonoscopy revealed an elevated lesion at the rectosigmoid junction. The biopsy specimen and bone marrow aspiration demonstrated adenocarcinoma, leading to a diagnosis of disseminated carcinomatosis of the bone marrow. Because chemotherapy proved effective, he survived until 333 days after admission.
Keywords: adenocarcinoma; chemotherapy; disseminated carcinomatosis; metastasis.
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