Colorectal & Perianal

Best initial imaging for suspected acute diverticulitis in a febrile adult with LLQ pain?

Uncomplicated Hinchey I diverticulitis (no abscess/perforation) in a stable patient. Management?

Diverticular abscess 4.5 cm on CT, stable vitals. Next step?

Timing of colonoscopy after recovery from first episode of complicated diverticulitis?

Indication for elective sigmoid colectomy in diverticular disease?

Most common cause of large-bowel obstruction in adults in developed countries?

Left-sided malignant colonic obstruction, no perforation. Bridge-to-surgery option?

Colon cancer staging modality of choice for distant disease?

Preferred operation for nonmetastatic right colon cancer?

For nonmetastatic sigmoid cancer, the key oncologic principle is:

T1 colon cancer within a pedunculated polyp—when is endoscopic polypectomy alone sufficient?

Rectal cancer local staging best modality?

Standard neoadjuvant approach for cT3–T4 or node-positive mid/low rectal cancer?

Indication for local excision (transanal) of rectal cancer?