Giant tumoral lesion in the left atrium: An uncommon case of undifferentiated cardiac sarcoma Catarina Ferreira, Daniel Martins, Rodolfo Pereira, Hélder Ribeiro, Fátima Neves, Pedro Mateus, Ilídio Moreira, Luís Vouga

An asymptomatic case of a giant left atrium Filipa Valente, David Durão, José Loureiro, Isabel Monteiro

A rare case of congenital aneurysm of the right atrium Alexandra da Silva Castro, Nuno Ferreira, Ricardo Ferraz, Nuno Bettencourt, João Carlos Mota, Vasco Gama Ribeiro