Shadow in Chest X Ray

Shadow in Chest X Ray

I had severe pain in lower left side of chest last year which later proved to be pleural effusion and TB. My X Ray showed blunting and heavy hazziness n opacity at left side.

After 7 months the Xray is less hazy and blunted and my left cp angle is visible bit there is a circular shadow below left lung in X Ray at the site of pleural effusion.

X ray is also attached for your valuable comments.

Is it a sign of something else than TB??