It looked like there was a lesion in the upper lobe of Viola Morrisroe’s right lung.A key question in William Morrisroe’s medical-malpractice case against Dr. John Pantano was whether a comparison of Viola’s CT scans from February and September 2009 showed an increase in the size of the mass.Pantano said there was. But William’s expert, Dr. Charles Grodzin, disagreed.Based on his conclusion the mass was bigger in September, Pantano recommended a bronchoscopy and biopsy. Viola consented, but died …