Question: A 70-year-old patient diagnosed three years ago with multiple myeloma who is in a period of neutropenia after a cycle of chemotherapy. It enters due to fever, cough and yellowish expectoration. The chest radiograph shows a condensation image in the right hemithorax. The most likely diagnosis is: 
 Options:  <1> Post-chemotherapy toxic pneumonitis. <2> Pneumococcal pneumonia <3> Pneumonia due to aspergillus. <4> Viral pneumonia due to community respiratory virus. <5> Cytomegalovirus pneumonia.
2