Fig. 3From: Esophageal anthracosis occurred after treatment of esophageal tuberculosis secondary to mediastinal tuberculous lymphadenitis: a rare case report Contrast enhancement CT scan before and after anti-tuberculosis treatment. A Contrast enhancement CT scan before ATT showed a homogenous density mass (long arrow) adjacent to esophageal wall. B After ATT, follow-up contrast enhancement CT scan showed an obviously shrunk mass (short arrow)Back to article page