At 1437hrs Dorchester Central dispatched units for a reported "STRUCTURE FIRE" at the corner of MARYLAND AVE / DORCHESTER AVE (Icello's Shaved Ice) in the Cambridge 1-1 Box Area. Chief 1 arrived on location with smoke on the Charlie side of the structure and established command. Engine 1-3 stretched 200' of attack line and used hand tools to open up the structure to expose any remaining fire. Tower 1-1 laddered the roof while Rescue Engine 1-1 provided personnel to assist in salvage, overhaul & ventilation. Command placed the situation under control at 1514hrs and placed all units in service without incident.