Overview
Adenocarcinoma is the most common colorectal cancer histology.
Symptoms
- •Rectal bleeding
- •Anemia
- •Abdominal pain
Stages
Stage 0Stage IStage IIStage IIIStage IV
Diagnosis
- ✓Colonoscopy
- ✓Biopsy
- ✓KRAS/NRAS/BRAF testing
Treatments
- →Surgery
- →Chemotherapy
- →Anti-EGFR (if RAS wild)
Risk Factors
⚠️Diet
⚠️Smoking
Key Facts
- ℹ️>90% of colorectal cancers
- ℹ️Polyp → cancer sequence
ICD-10: C18-C20 | Prevalence: çok yaygın
Last updated: 11/9/2025