August 27, 2021

1.1. Introduction: Multi-system inflammatory syndrome in adults (MIS-A) is gaining recognition among adult physicians. MIS-A is a rare but important syndrome that can be difficult to distinguish from severe COVID-19. MIS- A can occur following vaccination for SARS-CoV-2 is not reported till date

Signet-ring cell carcinoma (SRCC) is defined as a poor prognosis carcinoma and it is not common. Despite the advancement of the technology, origins of about 3%–5% of metastatic tumors remain unknown. Furthermore, metastatic SRCC of unknown primary origin is very rare.

The coronavirus pandemic hit the world unexpectedly, and to respond swiftly to it, lockdown and social distancing measures had to be implemented to combat its spread