Table 1.

Presenting symptoms and signs for 194 patients with colorectal cancer

Symptom	Percentage of patients
Fecal occult blood test positive	77
Rectal bleeding	58
Anemia*	57
Abdominal pain	52
Weight loss	39
Anorexia	27
Constipation	27
Altered stools	25
Fatigue	25
Diarrhea	22
Nausea and vomiting	22
Tenesmus	8
Mucus in stools	6
Rectal pain	5
Obstruction	4

Adapted from Majumdar et al. [1].

*Anemia = a hemoglobin of < 13.4 g/dl in men or < 12.3 g/dl in women.