Primary gastric lymphoma and spontaneous remission associated with co-infection of COVID-19 and undefined typical bacterial agent.

Background: A case report is viewed as a clinical experience of a patient with primary gastric lymphoma. The article demonstrates reduction of the lymphoproliferative disorder condition to the spontaneous remission state, after community-acquired pneumonia with co-infection of COVID-19, and undefined typical bacterial agent. A positive response has gone through a period of COVID-19 and appeared of ongoing the standard antibacterial and basic symptomatically treatment. Case presentation: A 65-years-old woman was admitted by an ambulance to the emergency department with severe condition. In time of hospitalization, the patient has diagnosed first appearance of primary gastric lymphoma ulcer form with signs of ongoing capillary bleeding, normochromic anaemia, thrombocytopenia, diabetes mellites type 2 in hypoglycaemic state owing to metformin, and chronic bronchitis. Laboratory and instrumental data investigations confirms the severity of condition. Conclusion: The article underlines extremely positive response up to disappearing ulcer form of primary gastric lymphoma and stabilization in laboratory and instrumental investigations data. It associates with anti-tumor effect of highly cytokines production in view of COVID-19 and undefined typical bacterial agent.