question: My 62 year old sister is currently hospitalized for pneumonia that was dx after foot surgery related to a fall. She had Breast CA 8 years ago. Currently taking Tamoxifin. BRCA II gene. 3 sisters also with gene mutation and hx of breast CA. Youngest sister passed away from recurrance of Breast CA. (Mets to lungs, liver and bones.) Hospital ruled out blood clot in lung. Dx with pneumonia. Should CT scan be done since she has has a long standing cough and multiple bouts of pneumonia.