A 52-year-old patient complains of pain in the right part of her chest, dyspnea, cough with a lot of albuminoid sputum emitting foul smell of "meat slops". Objectively: the patient's condition is grave, cyanosis is observed, breathing rate is 31/min, percussion sound above the right lung is shortened, auscultation revealed various moist rales (crackles). What is the most probable diagnosis?