Patient presents with a history of colon carcinoma, diagnosed on [Date of Diagnosis] by [Diagnostic Method, e.g., colonoscopy with biopsy].  The primary tumor was located in the [Specific Location, e.g., sigmoid colon] and was staged as [Stage, e.g., T3N1M0] according to the AJCC TNM staging system.  Histopathology revealed [Histological Type, e.g., adenocarcinoma, moderately differentiated].  Initial treatment included [Treatment Modality, e.g., surgical resection with hemicolectomy] performed on [Date of Procedure].  Surgical margins were [Margin Status, e.g., negative].  Lymph node involvement was noted with [Number] out of [Number] lymph nodes positive for malignancy.  Adjuvant therapy consisted of [Adjuvant Therapy, e.g., FOLFOX chemotherapy regimen] completed on [Date of Completion].  Patient is currently under surveillance for recurrence with [Surveillance Modality, e.g., CEA levels, CT scans] performed every [Frequency, e.g., 3 months].  Current symptoms include [Current Symptoms, e.g., asymptomatic, mild abdominal discomfort, fatigue].  Physical exam findings are notable for [Physical Exam Findings, e.g., well-healed surgical scar, normal bowel sounds].  Assessment: History of colon cancer, stage [Stage], status post [Treatment Summary].  Plan: Continue surveillance per established guidelines.  Address current symptoms as needed.  Patient education provided regarding signs and symptoms of recurrence, importance of follow-up, and healthy lifestyle modifications including diet and exercise.  ICD-10 code: Z85.038 (Personal history of malignant neoplasm of colon).