Patient M., 33 years old, was transferred to the hospital of the anti-tuberculosis dispensary from the infectious diseases hospital in a serious condition. For 10 years, she has been monitored at the AIDS center, currently with a diagnosis of HIV infection, stage 4B secondary diseases, a phase of progression against the background of ARVT. He fell ill a week ago - the temperature rose to \(38^{\circ }\text{C}\), severe weakness, sweating, shortness of breath at rest, paroxysmal cough with the release of a small amount of mucous sputum appeared.On examination, the skin is pale. The subcutaneous fat layer is poorly expressed. BMI 13. On auscultation - over the entire surface of the lungs breathing is hard, no wheezing, NPV - 36 per minute. Heart sounds - rhythmic, clear, blood pressure - 90/60 mm Hg. Art., heart rate - 122 per minute.X-ray - in both lungs, from the apex to the diaphragm, multiple small (up to 2 mm in diameter) focal shadows of the same type of medium intensity are visualized, with indistinct blurred contours.Mantoux test with 2 TE PPD-L - negative.In the general blood test: leukocytes - \(15.0 \times 10^9/l\), stab neutrophils - 10%, segmented neutrophils - 76%, lymphocytes - 12%, monocytes - 2%, ESR - 46 mm/h.In sputum by the method of luminescence microscopy three times MBT were not detected. Questions:Make a presumptive diagnosis.Explain why the patient has a negative Mantoux test.With what non-specific lung diseases should this disease be differentiated?Conduct a differential diagnosis of the disease with pneumocystis pneumonia.What is the tactics of further patient management? Explain the answer.