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 Indian J Med Microbiol  
 

(A-C): Dilatation of the parenchymal track with a balloon catheter. Beginning of the dilatation (A). With further dilatation (B), the waist is still seen in the central portion. Complete dilatation of the track (C).

(A-C): Dilatation of the parenchymal track with a balloon catheter. Beginning of the dilatation (A). With further dilatation (B), the waist is still seen in the central portion. Complete dilatation of the track (C).