Colorectal Cancer Metastasis to the Thymus Gland
2. Case Report
A 35-year-old male with a past medical history only significant for hypertension and a family history significant for inflammatory bowel disease (IBD) and colon cancer in a maternal grandmother presented to the emergency department with complaints of chest pain, shortness of breath, and unintentional 30 pound weight loss for 3 months. Workup identified a 7.6 × 2.6?cm anterior mediastinal mass with associated lymphadenopathy seen on CT imaging with no lesions noted elsewhere (Figure 1). Differential diagnosis for the anterior mediastinal mass consisted of both benign etiologies such as thymoma or thymic cyst and malignant etiologies such as lymphoma, primary germ cell tumor, or a metastatic lesion....