A 15-year-old male presented with constipation, abdominal pain, and passage of foul-smelling stool mixed with multiple gravel stones. He did not have oliguria, fever, rectal bleeding, or any feature suggestive of peritonitis. The patient was not on any regular medication, and had a history of pica. On examination, he had diffuse abdominal tenderness. A digital rectal exam revealed a so-called colonic crunch sign. Complete haemogram and blood biochemistry were within normal limits. Straight abdominal radiograph revealed multiple opaque shadows of different sizes scattered throughout the colon.
What is the most likely diagnosis?
C) Phlebosclerotic colitis
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