Primary Singnet Ring Cell Carcinoma with Thyroid Storm: A Case Report I Gusti Bagus Dharma Prakasa Musti1*, Gede Eka Rusdi Antara2, Anak Agung Ketut Lanang Ari Mayun3 Abstract Background: Signet ring cell carcinoma (SRCC) of the colon and rectum comprises 0.1–2.6% of colorectal cancers. Most cases are found at advanced