In the patient described above, the following statement(s) is/are true concerning the possible etiology of bowel obstruction.
A.	Simple obstruction secondary to an adhesion is most likely to resolve nonoperatively
B.	It is most likely that the patient’s obstruction is secondary to recurrent malignancy
C.	A history of colon cancer makes carcinomatosis the most likely diagnosis
D.	Lower abdominal procedures are more likely to result in obstructive adhesions than are upper abdominal procedures
Answer:A
In the patient described above, the following statement(s) is/are true concerning the possible etiology of bowel obstruction.
A.	Simple obstruction secondary to an adhesion is most likely to resolve nonoperatively B.	It is most likely that the patient’s obstruction is secondary to recurrent malignancy C.	A history of colon cancer makes carcinomatosis the most likely diagnosis D.	Lower abdominal procedures are more likely to result in obstructive adhesions than are upper abdominal procedures