spiculated nodular area

Hi, i recently had CT scan of the lung with and without contrast.  Findings:  Underlying interstitial disease and probable COPD.   Focal thickening about the right fissure measuring 6mm.  Irregular right pleural thickening.   Small spiculated nodular area with scarring at right middle lobe near fissure measuring 6.6 mm.  Possible small pleural calcification on right may be present.  Mild stranding about the left upper lobe base.  No left effusion or consolidation is seen.

I am 63 y/o, a smoker with history of colon cancer some 20 years ago.   Can you explain any of the above in laymen's terms and indicate any whether this could be a cancer?  I also had right pneumonectomy 30 yrs ago due to persistent pneumothorax from blebs bursting.