A 10-year-old girl presented to a doctor after she fell while riding her bicycle. The patient reported that while she was riding, she lost her balance and the bike handle hit her abdomen. Since then, she has experienced 4-5 episodes of nonbilious, non-bloody vomiting. No loss of consciousness was reported. On the third day of admission, the patient complained of worsening abdominal pain.

CT Scan was taken before and after three days of admission. The CT scan image is attached for reference. What's your diagnosis for this young girl? *This Case Challenge is from the Editorial Team of Docplexus and is meant for educational purposes only.