question: I have an xray because over the last 12months my breathing is becoming more and more difficult.   It say the heart size is within normal limits. Cardiomediastinal contours are unremarkable.  No focal collapse or consolidation is demonstrated.  There is mild coarsening of bronchovascular markings, non-specific.  There is no evidence of a pleural effusion or pneumothorax.  what does this means.  I also have back pain between my shoulder blades and pain in my bladder.  My father comes from a family of 12 children.  All have passed away with cancers.  could I have cancer