A rare case of primary signet-ring adenocarcinoma of anorectal region in a young patient: Diagnostic challenges and therapeutic outcomes.

Key Clinical Message: Primary signet-ring cell carcinoma of the anal canal and rectum is an extremely rare and aggressive malignancy. The present case underscores the importance of considering primary signet-ring cell carcinoma in differential diagnoses for young patients with chronic anorectal symptoms. It highlights the need for a multidisciplinary treatment approach (including surgery, chemotherapy, and radiotherapy) and comprehensive follow-up for managing this challenging condition and improving long-term patient outcomes.